18419960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35423}}^1$

素因数の和:35447

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 26214280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35423, 70846, 141692, 177115, 283384, 354230, 460499, 708460, 920998, 1416920, 1841996, 2302495, 3683992, 4604990, 9209980, 18419960]

約数ペア:

[(1, 18419960), (2, 9209980), (4, 4604990), (5, 3683992), (8, 2302495), (10, 1841996), (13, 1416920), (20, 920998), (26, 708460), (40, 460499), (52, 354230), (65, 283384), (104, 177115), (130, 141692), (260, 70846), (520, 35423)]