9981968

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{5521}}^1$

素因数の和:5642

約数の個数: 20

約数和(自身を含む): 19514748

約数和(自身を除く): 9532780

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 5521, 11042, 22084, 44168, 88336, 623873, 1247746, 2495492, 4990984, 9981968]

約数ペア:

[(1, 9981968), (2, 4990984), (4, 2495492), (8, 1247746), (16, 623873), (113, 88336), (226, 44168), (452, 22084), (904, 11042), (1808, 5521)]