19704436

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 35622216

約数和(自身を除く): 15917780

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 877, 1754, 3508, 5617, 11234, 22468, 35957, 71914, 120149, 143828, 240298, 480596, 4926109, 9852218, 19704436]

約数ペア:

[(1, 19704436), (2, 9852218), (4, 4926109), (41, 480596), (82, 240298), (137, 143828), (164, 120149), (274, 71914), (548, 35957), (877, 22468), (1754, 11234), (3508, 5617)]