19117960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16481}}^1$

素因数の和:16521

約数の個数: 32

約数和(自身を含む): 44501400

約数和(自身を除く): 25383440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16481, 32962, 65924, 82405, 131848, 164810, 329620, 477949, 659240, 955898, 1911796, 2389745, 3823592, 4779490, 9558980, 19117960]

約数ペア:

[(1, 19117960), (2, 9558980), (4, 4779490), (5, 3823592), (8, 2389745), (10, 1911796), (20, 955898), (29, 659240), (40, 477949), (58, 329620), (116, 164810), (145, 131848), (232, 82405), (290, 65924), (580, 32962), (1160, 16481)]