18962120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20611}}^1$

素因数の和:20645

約数の個数: 32

約数和(自身を含む): 44521920

約数和(自身を除く): 25559800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20611, 41222, 82444, 103055, 164888, 206110, 412220, 474053, 824440, 948106, 1896212, 2370265, 3792424, 4740530, 9481060, 18962120]

約数ペア:

[(1, 18962120), (2, 9481060), (4, 4740530), (5, 3792424), (8, 2370265), (10, 1896212), (20, 948106), (23, 824440), (40, 474053), (46, 412220), (92, 206110), (115, 164888), (184, 103055), (230, 82444), (460, 41222), (920, 20611)]