19500745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18661}}^1$

素因数の和:18696

約数の個数: 16

約数和(自身を含む): 26873280

約数和(自身を除く): 7372535

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18661, 93305, 205271, 354559, 1026355, 1772795, 3900149, 19500745]

約数ペア:

[(1, 19500745), (5, 3900149), (11, 1772795), (19, 1026355), (55, 354559), (95, 205271), (209, 93305), (1045, 18661)]