18975621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2311}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 12985467

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2311, 2737, 6933, 8211, 16177, 39287, 48531, 53153, 117861, 159459, 275009, 372071, 825027, 903601, 1116213, 2710803, 6325207, 18975621]

約数ペア:

[(1, 18975621), (3, 6325207), (7, 2710803), (17, 1116213), (21, 903601), (23, 825027), (51, 372071), (69, 275009), (119, 159459), (161, 117861), (357, 53153), (391, 48531), (483, 39287), (1173, 16177), (2311, 8211), (2737, 6933)]