19313620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31151}}^1$

素因数の和:31191

約数の個数: 24

約数和(自身を含む): 41868288

約数和(自身を除く): 22554668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31151, 62302, 124604, 155755, 311510, 623020, 965681, 1931362, 3862724, 4828405, 9656810, 19313620]

約数ペア:

[(1, 19313620), (2, 9656810), (4, 4828405), (5, 3862724), (10, 1931362), (20, 965681), (31, 623020), (62, 311510), (124, 155755), (155, 124604), (310, 62302), (620, 31151)]