18649488

素因数分解:

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

素因数の和:78

約数の個数: 180

約数和(自身を含む): 60360720

約数和(自身を除く): 41711232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 19, 22, 24, 26, 33, 38, 39, 44, 48, 52, 57, 66, 76, 78, 88, 104, 114, 121, 132, 143, 152, 156, 169, 176, 208, 209, 228, 242, 247, 264, 286, 304, 312, 338, 363, 418, 429, 456, 484, 494, 507, 528, 572, 624, 627, 676, 726, 741, 836, 858, 912, 968, 988, 1014, 1144, 1254, 1352, 1452, 1482, 1573, 1672, 1716, 1859, 1936, 1976, 2028, 2288, 2299, 2508, 2704, 2717, 2904, 2964, 3146, 3211, 3344, 3432, 3718, 3952, 4056, 4598, 4719, 5016, 5434, 5577, 5808, 5928, 6292, 6422, 6864, 6897, 7436, 8112, 8151, 9196, 9438, 9633, 10032, 10868, 11154, 11856, 12584, 12844, 13794, 14872, 16302, 18392, 18876, 19266, 20449, 21736, 22308, 25168, 25688, 27588, 29744, 29887, 32604, 35321, 36784, 37752, 38532, 40898, 43472, 44616, 51376, 55176, 59774, 61347, 65208, 70642, 75504, 77064, 81796, 89232, 89661, 105963, 110352, 119548, 122694, 130416, 141284, 154128, 163592, 179322, 211926, 239096, 245388, 282568, 327184, 358644, 388531, 423852, 478192, 490776, 565136, 717288, 777062, 847704, 981552, 1165593, 1434576, 1554124, 1695408, 2331186, 3108248, 4662372, 6216496, 9324744, 18649488]

約数ペア:

[(1, 18649488), (2, 9324744), (3, 6216496), (4, 4662372), (6, 3108248), (8, 2331186), (11, 1695408), (12, 1554124), (13, 1434576), (16, 1165593), (19, 981552), (22, 847704), (24, 777062), (26, 717288), (33, 565136), (38, 490776), (39, 478192), (44, 423852), (48, 388531), (52, 358644), (57, 327184), (66, 282568), (76, 245388), (78, 239096), (88, 211926), (104, 179322), (114, 163592), (121, 154128), (132, 141284), (143, 130416), (152, 122694), (156, 119548), (169, 110352), (176, 105963), (208, 89661), (209, 89232), (228, 81796), (242, 77064), (247, 75504), (264, 70642), (286, 65208), (304, 61347), (312, 59774), (338, 55176), (363, 51376), (418, 44616), (429, 43472), (456, 40898), (484, 38532), (494, 37752), (507, 36784), (528, 35321), (572, 32604), (624, 29887), (627, 29744), (676, 27588), (726, 25688), (741, 25168), (836, 22308), (858, 21736), (912, 20449), (968, 19266), (988, 18876), (1014, 18392), (1144, 16302), (1254, 14872), (1352, 13794), (1452, 12844), (1482, 12584), (1573, 11856), (1672, 11154), (1716, 10868), (1859, 10032), (1936, 9633), (1976, 9438), (2028, 9196), (2288, 8151), (2299, 8112), (2508, 7436), (2704, 6897), (2717, 6864), (2904, 6422), (2964, 6292), (3146, 5928), (3211, 5808), (3344, 5577), (3432, 5434), (3718, 5016), (3952, 4719), (4056, 4598)]