19571812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4229}}^1$

素因数の和:4335

約数の個数: 24

約数和(自身を含む): 37308600

約数和(自身を除く): 17736788

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4229, 4628, 8458, 16916, 54977, 109954, 219908, 376381, 752762, 1505524, 4892953, 9785906, 19571812]

約数ペア:

[(1, 19571812), (2, 9785906), (4, 4892953), (13, 1505524), (26, 752762), (52, 376381), (89, 219908), (178, 109954), (356, 54977), (1157, 16916), (2314, 8458), (4229, 4628)]