18941420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41177}}^1$

素因数の和:41209

約数の個数: 24

約数和(自身を含む): 41507424

約数和(自身を除く): 22566004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41177, 82354, 164708, 205885, 411770, 823540, 947071, 1894142, 3788284, 4735355, 9470710, 18941420]

約数ペア:

[(1, 18941420), (2, 9470710), (4, 4735355), (5, 3788284), (10, 1894142), (20, 947071), (23, 823540), (46, 411770), (92, 205885), (115, 164708), (230, 82354), (460, 41177)]