19259419420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8521867}}^1$

素因数の和:8521989

約数の個数: 24

約数和(自身を含む): 40802703984

約数和(自身を除く): 21543284564

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8521867, 17043734, 34087468, 42609335, 85218670, 170437340, 962970971, 1925941942, 3851883884, 4814854855, 9629709710, 19259419420]

約数ペア:

[(1, 19259419420), (2, 9629709710), (4, 4814854855), (5, 3851883884), (10, 1925941942), (20, 962970971), (113, 170437340), (226, 85218670), (452, 42609335), (565, 34087468), (1130, 17043734), (2260, 8521867)]