1948651340

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{198437}}^1$

素因数の和:198937

約数の個数: 24

約数和(自身を含む): 4100522832

約数和(自身を除く): 2151871492

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 198437, 396874, 793748, 992185, 1984370, 3968740, 97432567, 194865134, 389730268, 487162835, 974325670, 1948651340]

約数ペア:

[(1, 1948651340), (2, 974325670), (4, 487162835), (5, 389730268), (10, 194865134), (20, 97432567), (491, 3968740), (982, 1984370), (1964, 992185), (2455, 793748), (4910, 396874), (9820, 198437)]