18770188

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 34181840

約数和(自身を除く): 15411652

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1789, 2623, 3578, 5246, 7156, 10492, 76927, 109129, 153854, 218258, 307708, 436516, 4692547, 9385094, 18770188]

約数ペア:

[(1, 18770188), (2, 9385094), (4, 4692547), (43, 436516), (61, 307708), (86, 218258), (122, 153854), (172, 109129), (244, 76927), (1789, 10492), (2623, 7156), (3578, 5246)]