19173638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8629}}^1$

素因数の和:8743

約数の個数: 16

約数和(自身を含む): 31689360

約数和(自身を除く): 12515722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 8629, 17258, 94919, 189838, 871529, 1743058, 9586819, 19173638]

約数ペア:

[(1, 19173638), (2, 9586819), (11, 1743058), (22, 871529), (101, 189838), (202, 94919), (1111, 17258), (2222, 8629)]