18736432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26260688

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 431, 494, 572, 836, 862, 988, 1144, 1672, 1724, 1976, 2288, 2717, 3344, 3448, 3952, 4741, 5434, 5603, 6896, 8189, 9482, 10868, 11206, 16378, 18964, 21736, 22412, 32756, 37928, 43472, 44824, 61633, 65512, 75856, 89648, 90079, 106457, 123266, 131024, 180158, 212914, 246532, 360316, 425828, 493064, 720632, 851656, 986128, 1171027, 1441264, 1703312, 2342054, 4684108, 9368216, 18736432]

約数ペア:

[(1, 18736432), (2, 9368216), (4, 4684108), (8, 2342054), (11, 1703312), (13, 1441264), (16, 1171027), (19, 986128), (22, 851656), (26, 720632), (38, 493064), (44, 425828), (52, 360316), (76, 246532), (88, 212914), (104, 180158), (143, 131024), (152, 123266), (176, 106457), (208, 90079), (209, 89648), (247, 75856), (286, 65512), (304, 61633), (418, 44824), (431, 43472), (494, 37928), (572, 32756), (836, 22412), (862, 21736), (988, 18964), (1144, 16378), (1672, 11206), (1724, 10868), (1976, 9482), (2288, 8189), (2717, 6896), (3344, 5603), (3448, 5434), (3952, 4741)]