11917820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3329}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 25174800

約数和(自身を除く): 13256980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3329, 3580, 6658, 13316, 16645, 33290, 66580, 595891, 1191782, 2383564, 2979455, 5958910, 11917820]

約数ペア:

[(1, 11917820), (2, 5958910), (4, 2979455), (5, 2383564), (10, 1191782), (20, 595891), (179, 66580), (358, 33290), (716, 16645), (895, 13316), (1790, 6658), (3329, 3580)]