18797961

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 31698688

約数和(自身を除く): 12900727

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1861, 3367, 5583, 10101, 13027, 24193, 39081, 68857, 72579, 169351, 206571, 481999, 508053, 895141, 1445997, 2685423, 6265987, 18797961]

約数ペア:

[(1, 18797961), (3, 6265987), (7, 2685423), (13, 1445997), (21, 895141), (37, 508053), (39, 481999), (91, 206571), (111, 169351), (259, 72579), (273, 68857), (481, 39081), (777, 24193), (1443, 13027), (1861, 10101), (3367, 5583)]