31915060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83987}}^1$

素因数の和:84015

約数の個数: 24

約数和(自身を含む): 70549920

約数和(自身を除く): 38634860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 83987, 167974, 335948, 419935, 839870, 1595753, 1679740, 3191506, 6383012, 7978765, 15957530, 31915060]

約数ペア:

[(1, 31915060), (2, 15957530), (4, 7978765), (5, 6383012), (10, 3191506), (19, 1679740), (20, 1595753), (38, 839870), (76, 419935), (95, 335948), (190, 167974), (380, 83987)]