19491189740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8287}}^1\times {\mathrm{10691}}^1$

素因数の和:18998

約数の個数: 48

約数和(自身を含む): 44662109184

約数和(自身を除く): 25170919444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8287, 10691, 16574, 21382, 33148, 41435, 42764, 53455, 82870, 91157, 106910, 117601, 165740, 182314, 213820, 235202, 364628, 455785, 470404, 588005, 911570, 1176010, 1823140, 2352020, 88596317, 177192634, 354385268, 442981585, 885963170, 974559487, 1771926340, 1949118974, 3898237948, 4872797435, 9745594870, 19491189740]

約数ペア:

[(1, 19491189740), (2, 9745594870), (4, 4872797435), (5, 3898237948), (10, 1949118974), (11, 1771926340), (20, 974559487), (22, 885963170), (44, 442981585), (55, 354385268), (110, 177192634), (220, 88596317), (8287, 2352020), (10691, 1823140), (16574, 1176010), (21382, 911570), (33148, 588005), (41435, 470404), (42764, 455785), (53455, 364628), (82870, 235202), (91157, 213820), (106910, 182314), (117601, 165740)]