19519244

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 34951728

約数和(自身を除く): 15432484

約数列:

[1, 2, 4, 67, 134, 173, 268, 346, 421, 692, 842, 1684, 11591, 23182, 28207, 46364, 56414, 72833, 112828, 145666, 291332, 4879811, 9759622, 19519244]

約数ペア:

[(1, 19519244), (2, 9759622), (4, 4879811), (67, 291332), (134, 145666), (173, 112828), (268, 72833), (346, 56414), (421, 46364), (692, 28207), (842, 23182), (1684, 11591)]