19399472

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17077}}^1$

素因数の和:17156

約数の個数: 20

約数和(自身を含む): 38118096

約数和(自身を除く): 18718624

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17077, 34154, 68308, 136616, 273232, 1212467, 2424934, 4849868, 9699736, 19399472]

約数ペア:

[(1, 19399472), (2, 9699736), (4, 4849868), (8, 2424934), (16, 1212467), (71, 273232), (142, 136616), (284, 68308), (568, 34154), (1136, 17077)]