19953648

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 320

約数和(自身を含む): 74995200

約数和(自身を除く): 55041552

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 19, 22, 24, 26, 27, 33, 34, 36, 38, 39, 44, 48, 51, 52, 54, 57, 66, 68, 72, 76, 78, 88, 99, 102, 104, 108, 114, 117, 132, 136, 143, 144, 152, 153, 156, 171, 176, 187, 198, 204, 208, 209, 216, 221, 228, 234, 247, 264, 272, 286, 297, 304, 306, 312, 323, 342, 351, 374, 396, 408, 418, 429, 432, 442, 456, 459, 468, 494, 513, 528, 561, 572, 594, 612, 624, 627, 646, 663, 684, 702, 741, 748, 792, 816, 836, 858, 884, 912, 918, 936, 969, 988, 1026, 1122, 1144, 1188, 1224, 1254, 1287, 1292, 1326, 1368, 1404, 1482, 1496, 1584, 1672, 1683, 1716, 1768, 1836, 1872, 1881, 1938, 1976, 1989, 2052, 2223, 2244, 2288, 2376, 2431, 2448, 2508, 2574, 2584, 2652, 2717, 2736, 2808, 2907, 2964, 2992, 3344, 3366, 3432, 3536, 3553, 3672, 3762, 3861, 3876, 3952, 3978, 4104, 4199, 4446, 4488, 4752, 4862, 5016, 5049, 5148, 5168, 5304, 5434, 5616, 5643, 5814, 5928, 5967, 6669, 6732, 6864, 7106, 7293, 7344, 7524, 7722, 7752, 7956, 8151, 8208, 8398, 8721, 8892, 8976, 9724, 10032, 10098, 10296, 10608, 10659, 10868, 11286, 11628, 11856, 11934, 12597, 13338, 13464, 14212, 14586, 15048, 15444, 15504, 15912, 16302, 16796, 17442, 17784, 19448, 20196, 20592, 21318, 21736, 21879, 22572, 23256, 23868, 24453, 25194, 26676, 26928, 28424, 29172, 30096, 30888, 31824, 31977, 32604, 33592, 34884, 35568, 37791, 38896, 40392, 42636, 43472, 43758, 45144, 46189, 46512, 47736, 48906, 50388, 53352, 56848, 58344, 61776, 63954, 65208, 65637, 67184, 69768, 73359, 75582, 80784, 85272, 87516, 90288, 92378, 95472, 95931, 97812, 100776, 106704, 113373, 116688, 127908, 130416, 131274, 138567, 139536, 146718, 151164, 170544, 175032, 184756, 191862, 195624, 201552, 226746, 255816, 262548, 277134, 293436, 302328, 350064, 369512, 383724, 391248, 415701, 453492, 511632, 525096, 554268, 586872, 604656, 739024, 767448, 831402, 906984, 1050192, 1108536, 1173744, 1247103, 1534896, 1662804, 1813968, 2217072, 2494206, 3325608, 4988412, 6651216, 9976824, 19953648]

約数ペア:

[(1, 19953648), (2, 9976824), (3, 6651216), (4, 4988412), (6, 3325608), (8, 2494206), (9, 2217072), (11, 1813968), (12, 1662804), (13, 1534896), (16, 1247103), (17, 1173744), (18, 1108536), (19, 1050192), (22, 906984), (24, 831402), (26, 767448), (27, 739024), (33, 604656), (34, 586872), (36, 554268), (38, 525096), (39, 511632), (44, 453492), (48, 415701), (51, 391248), (52, 383724), (54, 369512), (57, 350064), (66, 302328), (68, 293436), (72, 277134), (76, 262548), (78, 255816), (88, 226746), (99, 201552), (102, 195624), (104, 191862), (108, 184756), (114, 175032), (117, 170544), (132, 151164), (136, 146718), (143, 139536), (144, 138567), (152, 131274), (153, 130416), (156, 127908), (171, 116688), (176, 113373), (187, 106704), (198, 100776), (204, 97812), (208, 95931), (209, 95472), (216, 92378), (221, 90288), (228, 87516), (234, 85272), (247, 80784), (264, 75582), (272, 73359), (286, 69768), (297, 67184), (304, 65637), (306, 65208), (312, 63954), (323, 61776), (342, 58344), (351, 56848), (374, 53352), (396, 50388), (408, 48906), (418, 47736), (429, 46512), (432, 46189), (442, 45144), (456, 43758), (459, 43472), (468, 42636), (494, 40392), (513, 38896), (528, 37791), (561, 35568), (572, 34884), (594, 33592), (612, 32604), (624, 31977), (627, 31824), (646, 30888), (663, 30096), (684, 29172), (702, 28424), (741, 26928), (748, 26676), (792, 25194), (816, 24453), (836, 23868), (858, 23256), (884, 22572), (912, 21879), (918, 21736), (936, 21318), (969, 20592), (988, 20196), (1026, 19448), (1122, 17784), (1144, 17442), (1188, 16796), (1224, 16302), (1254, 15912), (1287, 15504), (1292, 15444), (1326, 15048), (1368, 14586), (1404, 14212), (1482, 13464), (1496, 13338), (1584, 12597), (1672, 11934), (1683, 11856), (1716, 11628), (1768, 11286), (1836, 10868), (1872, 10659), (1881, 10608), (1938, 10296), (1976, 10098), (1989, 10032), (2052, 9724), (2223, 8976), (2244, 8892), (2288, 8721), (2376, 8398), (2431, 8208), (2448, 8151), (2508, 7956), (2574, 7752), (2584, 7722), (2652, 7524), (2717, 7344), (2736, 7293), (2808, 7106), (2907, 6864), (2964, 6732), (2992, 6669), (3344, 5967), (3366, 5928), (3432, 5814), (3536, 5643), (3553, 5616), (3672, 5434), (3762, 5304), (3861, 5168), (3876, 5148), (3952, 5049), (3978, 5016), (4104, 4862), (4199, 4752), (4446, 4488)]