18412540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9491}}^1$

素因数の和:9597

約数の個数: 24

約数和(自身を含む): 39069072

約数和(自身を除く): 20656532

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9491, 18982, 37964, 47455, 94910, 189820, 920627, 1841254, 3682508, 4603135, 9206270, 18412540]

約数ペア:

[(1, 18412540), (2, 9206270), (4, 4603135), (5, 3682508), (10, 1841254), (20, 920627), (97, 189820), (194, 94910), (388, 47455), (485, 37964), (970, 18982), (1940, 9491)]