18398120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35381}}^1$

素因数の和:35405

約数の個数: 32

約数和(自身を含む): 44581320

約数和(自身を除く): 26183200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35381, 70762, 141524, 176905, 283048, 353810, 459953, 707620, 919906, 1415240, 1839812, 2299765, 3679624, 4599530, 9199060, 18398120]

約数ペア:

[(1, 18398120), (2, 9199060), (4, 4599530), (5, 3679624), (8, 2299765), (10, 1839812), (13, 1415240), (20, 919906), (26, 707620), (40, 459953), (52, 353810), (65, 283048), (104, 176905), (130, 141524), (260, 70762), (520, 35381)]