18106840

素因数分解:

$2^3\times 5^1\times {\mathrm{452671}}^1$

素因数の和:452682

約数の個数: 16

約数和(自身を含む): 40740480

約数和(自身を除く): 22633640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452671, 905342, 1810684, 2263355, 3621368, 4526710, 9053420, 18106840]

約数ペア:

[(1, 18106840), (2, 9053420), (4, 4526710), (5, 3621368), (8, 2263355), (10, 1810684), (20, 905342), (40, 452671)]