19663742

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26501}}^1$

素因数の和:26563

約数の個数: 16

約数和(自身を含む): 34346592

約数和(自身を除く): 14682850

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 26501, 53002, 185507, 371014, 1404553, 2809106, 9831871, 19663742]

約数ペア:

[(1, 19663742), (2, 9831871), (7, 2809106), (14, 1404553), (53, 371014), (106, 185507), (371, 53002), (742, 26501)]