18679480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16103}}^1$

素因数の和:16143

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 24801320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16103, 32206, 64412, 80515, 128824, 161030, 322060, 466987, 644120, 933974, 1867948, 2334935, 3735896, 4669870, 9339740, 18679480]

約数ペア:

[(1, 18679480), (2, 9339740), (4, 4669870), (5, 3735896), (8, 2334935), (10, 1867948), (20, 933974), (29, 644120), (40, 466987), (58, 322060), (116, 161030), (145, 128824), (232, 80515), (290, 64412), (580, 32206), (1160, 16103)]