2018990872

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{617051}}^1$

素因数の和:617466

約数の個数: 16

約数和(自身を含む): 3794869800

約数和(自身を除く): 1775878928

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 617051, 1234102, 2468204, 4936408, 252373859, 504747718, 1009495436, 2018990872]

約数ペア:

[(1, 2018990872), (2, 1009495436), (4, 504747718), (8, 252373859), (409, 4936408), (818, 2468204), (1636, 1234102), (3272, 617051)]