18589740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23833}}^1$

素因数の和:23858

約数の個数: 48

約数和(自身を含む): 56057568

約数和(自身を除く): 37467828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23833, 47666, 71499, 95332, 119165, 142998, 238330, 285996, 309829, 357495, 476660, 619658, 714990, 929487, 1239316, 1429980, 1549145, 1858974, 3098290, 3717948, 4647435, 6196580, 9294870, 18589740]

約数ペア:

[(1, 18589740), (2, 9294870), (3, 6196580), (4, 4647435), (5, 3717948), (6, 3098290), (10, 1858974), (12, 1549145), (13, 1429980), (15, 1239316), (20, 929487), (26, 714990), (30, 619658), (39, 476660), (52, 357495), (60, 309829), (65, 285996), (78, 238330), (130, 142998), (156, 119165), (195, 95332), (260, 71499), (390, 47666), (780, 23833)]