18620180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3461}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 39259080

約数和(自身を除く): 20638900

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3461, 5380, 6922, 13844, 17305, 34610, 69220, 931009, 1862018, 3724036, 4655045, 9310090, 18620180]

約数ペア:

[(1, 18620180), (2, 9310090), (4, 4655045), (5, 3724036), (10, 1862018), (20, 931009), (269, 69220), (538, 34610), (1076, 17305), (1345, 13844), (2690, 6922), (3461, 5380)]