18362745

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1049}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 31941000

約数和(自身を除く): 13578255

約数列:

[1, 3, 5, 9, 15, 45, 389, 1049, 1167, 1945, 3147, 3501, 5245, 5835, 9441, 15735, 17505, 47205, 408061, 1224183, 2040305, 3672549, 6120915, 18362745]

約数ペア:

[(1, 18362745), (3, 6120915), (5, 3672549), (9, 2040305), (15, 1224183), (45, 408061), (389, 47205), (1049, 17505), (1167, 15735), (1945, 9441), (3147, 5835), (3501, 5245)]