18596720

素因数分解:

$2^4\times 5^1\times {\mathrm{232459}}^1$

素因数の和:232472

約数の個数: 20

約数和(自身を含む): 43237560

約数和(自身を除く): 24640840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232459, 464918, 929836, 1162295, 1859672, 2324590, 3719344, 4649180, 9298360, 18596720]

約数ペア:

[(1, 18596720), (2, 9298360), (4, 4649180), (5, 3719344), (8, 2324590), (10, 1859672), (16, 1162295), (20, 929836), (40, 464918), (80, 232459)]