18638928

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:114

約数の個数: 180

約数和(自身を含む): 66659424

約数和(自身を除く): 48020496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 41, 42, 44, 48, 56, 63, 66, 72, 77, 82, 84, 88, 99, 112, 123, 126, 132, 144, 154, 164, 168, 176, 198, 231, 246, 252, 264, 287, 308, 328, 336, 369, 396, 451, 462, 492, 504, 528, 574, 616, 656, 693, 738, 792, 861, 902, 924, 984, 1008, 1148, 1232, 1353, 1386, 1476, 1584, 1681, 1722, 1804, 1848, 1968, 2296, 2583, 2706, 2772, 2952, 3157, 3362, 3444, 3608, 3696, 4059, 4592, 5043, 5166, 5412, 5544, 5904, 6314, 6724, 6888, 7216, 8118, 9471, 10086, 10332, 10824, 11088, 11767, 12628, 13448, 13776, 15129, 16236, 18491, 18942, 20172, 20664, 21648, 23534, 25256, 26896, 28413, 30258, 32472, 35301, 36982, 37884, 40344, 41328, 47068, 50512, 55473, 56826, 60516, 64944, 70602, 73964, 75768, 80688, 94136, 105903, 110946, 113652, 121032, 129437, 141204, 147928, 151536, 166419, 188272, 211806, 221892, 227304, 242064, 258874, 282408, 295856, 332838, 388311, 423612, 443784, 454608, 517748, 564816, 665676, 776622, 847224, 887568, 1035496, 1164933, 1331352, 1553244, 1694448, 2070992, 2329866, 2662704, 3106488, 4659732, 6212976, 9319464, 18638928]

約数ペア:

[(1, 18638928), (2, 9319464), (3, 6212976), (4, 4659732), (6, 3106488), (7, 2662704), (8, 2329866), (9, 2070992), (11, 1694448), (12, 1553244), (14, 1331352), (16, 1164933), (18, 1035496), (21, 887568), (22, 847224), (24, 776622), (28, 665676), (33, 564816), (36, 517748), (41, 454608), (42, 443784), (44, 423612), (48, 388311), (56, 332838), (63, 295856), (66, 282408), (72, 258874), (77, 242064), (82, 227304), (84, 221892), (88, 211806), (99, 188272), (112, 166419), (123, 151536), (126, 147928), (132, 141204), (144, 129437), (154, 121032), (164, 113652), (168, 110946), (176, 105903), (198, 94136), (231, 80688), (246, 75768), (252, 73964), (264, 70602), (287, 64944), (308, 60516), (328, 56826), (336, 55473), (369, 50512), (396, 47068), (451, 41328), (462, 40344), (492, 37884), (504, 36982), (528, 35301), (574, 32472), (616, 30258), (656, 28413), (693, 26896), (738, 25256), (792, 23534), (861, 21648), (902, 20664), (924, 20172), (984, 18942), (1008, 18491), (1148, 16236), (1232, 15129), (1353, 13776), (1386, 13448), (1476, 12628), (1584, 11767), (1681, 11088), (1722, 10824), (1804, 10332), (1848, 10086), (1968, 9471), (2296, 8118), (2583, 7216), (2706, 6888), (2772, 6724), (2952, 6314), (3157, 5904), (3362, 5544), (3444, 5412), (3608, 5166), (3696, 5043), (4059, 4592)]