18595280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 50762376

約数和(自身を除く): 32167096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 113, 121, 136, 170, 176, 187, 220, 226, 242, 272, 340, 374, 440, 452, 484, 565, 605, 680, 748, 880, 904, 935, 968, 1130, 1210, 1243, 1360, 1496, 1808, 1870, 1921, 1936, 2057, 2260, 2420, 2486, 2992, 3740, 3842, 4114, 4520, 4840, 4972, 6215, 7480, 7684, 8228, 9040, 9605, 9680, 9944, 10285, 12430, 13673, 14960, 15368, 16456, 19210, 19888, 20570, 21131, 24860, 27346, 30736, 32912, 38420, 41140, 42262, 49720, 54692, 68365, 76840, 82280, 84524, 99440, 105655, 109384, 136730, 153680, 164560, 169048, 211310, 218768, 232441, 273460, 338096, 422620, 464882, 546920, 845240, 929764, 1093840, 1162205, 1690480, 1859528, 2324410, 3719056, 4648820, 9297640, 18595280]

約数ペア:

[(1, 18595280), (2, 9297640), (4, 4648820), (5, 3719056), (8, 2324410), (10, 1859528), (11, 1690480), (16, 1162205), (17, 1093840), (20, 929764), (22, 845240), (34, 546920), (40, 464882), (44, 422620), (55, 338096), (68, 273460), (80, 232441), (85, 218768), (88, 211310), (110, 169048), (113, 164560), (121, 153680), (136, 136730), (170, 109384), (176, 105655), (187, 99440), (220, 84524), (226, 82280), (242, 76840), (272, 68365), (340, 54692), (374, 49720), (440, 42262), (452, 41140), (484, 38420), (565, 32912), (605, 30736), (680, 27346), (748, 24860), (880, 21131), (904, 20570), (935, 19888), (968, 19210), (1130, 16456), (1210, 15368), (1243, 14960), (1360, 13673), (1496, 12430), (1808, 10285), (1870, 9944), (1921, 9680), (1936, 9605), (2057, 9040), (2260, 8228), (2420, 7684), (2486, 7480), (2992, 6215), (3740, 4972), (3842, 4840), (4114, 4520)]