18977398

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7129}}^1$

素因数の和:7164

約数の個数: 16

約数和(自身を含む): 31314960

約数和(自身を除く): 12337562

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7129, 14258, 78419, 156838, 862609, 1725218, 9488699, 18977398]

約数ペア:

[(1, 18977398), (2, 9488699), (11, 1725218), (22, 862609), (121, 156838), (242, 78419), (1331, 14258), (2662, 7129)]