19866652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5381}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 37975392

約数和(自身を除く): 18108740

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5381, 10762, 21524, 69953, 139906, 279812, 382051, 764102, 1528204, 4966663, 9933326, 19866652]

約数ペア:

[(1, 19866652), (2, 9933326), (4, 4966663), (13, 1528204), (26, 764102), (52, 382051), (71, 279812), (142, 139906), (284, 69953), (923, 21524), (1846, 10762), (3692, 5381)]