18581472

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:745

約数の個数: 144

約数和(自身を含む): 65126880

約数和(自身を除く): 46545408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 709, 728, 819, 936, 1008, 1092, 1248, 1418, 1456, 1638, 1872, 2016, 2127, 2184, 2836, 2912, 3276, 3744, 4254, 4368, 4963, 5672, 6381, 6552, 8508, 8736, 9217, 9926, 11344, 12762, 13104, 14889, 17016, 18434, 19852, 22688, 25524, 26208, 27651, 29778, 34032, 36868, 39704, 44667, 51048, 55302, 59556, 64519, 68064, 73736, 79408, 82953, 89334, 102096, 110604, 119112, 129038, 147472, 158816, 165906, 178668, 193557, 204192, 221208, 238224, 258076, 294944, 331812, 357336, 387114, 442416, 476448, 516152, 580671, 663624, 714672, 774228, 884832, 1032304, 1161342, 1327248, 1429344, 1548456, 2064608, 2322684, 2654496, 3096912, 4645368, 6193824, 9290736, 18581472]

約数ペア:

[(1, 18581472), (2, 9290736), (3, 6193824), (4, 4645368), (6, 3096912), (7, 2654496), (8, 2322684), (9, 2064608), (12, 1548456), (13, 1429344), (14, 1327248), (16, 1161342), (18, 1032304), (21, 884832), (24, 774228), (26, 714672), (28, 663624), (32, 580671), (36, 516152), (39, 476448), (42, 442416), (48, 387114), (52, 357336), (56, 331812), (63, 294944), (72, 258076), (78, 238224), (84, 221208), (91, 204192), (96, 193557), (104, 178668), (112, 165906), (117, 158816), (126, 147472), (144, 129038), (156, 119112), (168, 110604), (182, 102096), (208, 89334), (224, 82953), (234, 79408), (252, 73736), (273, 68064), (288, 64519), (312, 59556), (336, 55302), (364, 51048), (416, 44667), (468, 39704), (504, 36868), (546, 34032), (624, 29778), (672, 27651), (709, 26208), (728, 25524), (819, 22688), (936, 19852), (1008, 18434), (1092, 17016), (1248, 14889), (1418, 13104), (1456, 12762), (1638, 11344), (1872, 9926), (2016, 9217), (2127, 8736), (2184, 8508), (2836, 6552), (2912, 6381), (3276, 5672), (3744, 4963), (4254, 4368)]