19690791

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 7266009

約数列:

[1, 3, 47, 141, 359, 389, 1077, 1167, 16873, 18283, 50619, 54849, 139651, 418953, 6563597, 19690791]

約数ペア:

[(1, 19690791), (3, 6563597), (47, 418953), (141, 139651), (359, 54849), (389, 50619), (1077, 18283), (1167, 16873)]