18708566

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:703

約数の個数: 16

約数和(自身を含む): 28501200

約数和(自身を除く): 9792634

約数列:

[1, 2, 139, 173, 278, 346, 389, 778, 24047, 48094, 54071, 67297, 108142, 134594, 9354283, 18708566]

約数ペア:

[(1, 18708566), (2, 9354283), (139, 134594), (173, 108142), (278, 67297), (346, 54071), (389, 48094), (778, 24047)]