18422540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 41791680

約数和(自身を除く): 23369140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1381, 2668, 2762, 3335, 5524, 6670, 6905, 13340, 13810, 27620, 31763, 40049, 63526, 80098, 127052, 158815, 160196, 200245, 317630, 400490, 635260, 800980, 921127, 1842254, 3684508, 4605635, 9211270, 18422540]

約数ペア:

[(1, 18422540), (2, 9211270), (4, 4605635), (5, 3684508), (10, 1842254), (20, 921127), (23, 800980), (29, 635260), (46, 400490), (58, 317630), (92, 200245), (115, 160196), (116, 158815), (145, 127052), (230, 80098), (290, 63526), (460, 40049), (580, 31763), (667, 27620), (1334, 13810), (1381, 13340), (2668, 6905), (2762, 6670), (3335, 5524)]