19152445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 25920216

約数和(自身を除く): 6767771

約数列:

[1, 5, 13, 23, 65, 115, 299, 529, 557, 1495, 2645, 2785, 6877, 7241, 12811, 34385, 36205, 64055, 166543, 294653, 832715, 1473265, 3830489, 19152445]

約数ペア:

[(1, 19152445), (5, 3830489), (13, 1473265), (23, 832715), (65, 294653), (115, 166543), (299, 64055), (529, 36205), (557, 34385), (1495, 12811), (2645, 7241), (2785, 6877)]