19498985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8647}}^1$

素因数の和:8704

約数の個数: 16

約数和(自身を含む): 26151552

約数和(自身を除く): 6652567

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8647, 43235, 95117, 354527, 475585, 1772635, 3899797, 19498985]

約数ペア:

[(1, 19498985), (5, 3899797), (11, 1772635), (41, 475585), (55, 354527), (205, 95117), (451, 43235), (2255, 8647)]