19858868

素因数分解:

$2^2\times {\mathrm{227}}^1\times {\mathrm{21871}}^1$

素因数の和:22102

約数の個数: 12

約数和(自身を含む): 34907712

約数和(自身を除く): 15048844

約数列:

[1, 2, 4, 227, 454, 908, 21871, 43742, 87484, 4964717, 9929434, 19858868]

約数ペア:

[(1, 19858868), (2, 9929434), (4, 4964717), (227, 87484), (454, 43742), (908, 21871)]