159864518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{20129}}^1$

素因数の和:20180

約数の個数: 24

約数和(自身を含む): 276103080

約数和(自身を除く): 116238562

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 20129, 40258, 221419, 382451, 442838, 764902, 4206961, 7266569, 8413922, 14533138, 79932259, 159864518]

約数ペア:

[(1, 159864518), (2, 79932259), (11, 14533138), (19, 8413922), (22, 7266569), (38, 4206961), (209, 764902), (361, 442838), (418, 382451), (722, 221419), (3971, 40258), (7942, 20129)]