18405791998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{152197}}^1$

素因数の和:152472

約数の個数: 32

約数和(自身を含む): 31559777280

約数和(自身を除く): 13153985282

約数列:

[1, 2, 11, 22, 23, 46, 239, 253, 478, 506, 2629, 5258, 5497, 10994, 60467, 120934, 152197, 304394, 1674167, 3348334, 3500531, 7001062, 36375083, 38505841, 72750166, 77011682, 400125913, 800251826, 836626909, 1673253818, 9202895999, 18405791998]

約数ペア:

[(1, 18405791998), (2, 9202895999), (11, 1673253818), (22, 836626909), (23, 800251826), (46, 400125913), (239, 77011682), (253, 72750166), (478, 38505841), (506, 36375083), (2629, 7001062), (5258, 3500531), (5497, 3348334), (10994, 1674167), (60467, 304394), (120934, 152197)]