19913170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86579}}^1$

素因数の和:86609

約数の個数: 16

約数和(自身を含む): 37402560

約数和(自身を除く): 17489390

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86579, 173158, 432895, 865790, 1991317, 3982634, 9956585, 19913170]

約数ペア:

[(1, 19913170), (2, 9956585), (5, 3982634), (10, 1991317), (23, 865790), (46, 432895), (115, 173158), (230, 86579)]