15840638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7129}}^1$

素因数の和:7243

約数の個数: 16

約数和(自身を含む): 26181360

約数和(自身を除く): 10340722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 7129, 14258, 78419, 156838, 720029, 1440058, 7920319, 15840638]

約数ペア:

[(1, 15840638), (2, 7920319), (11, 1440058), (22, 720029), (101, 156838), (202, 78419), (1111, 14258), (2222, 7129)]