17940503

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 22091520

約数和(自身を除く): 4151017

約数列:

[1, 7, 19, 43, 133, 301, 817, 3137, 5719, 21959, 59603, 134891, 417221, 944237, 2562929, 17940503]

約数ペア:

[(1, 17940503), (7, 2562929), (19, 944237), (43, 417221), (133, 134891), (301, 59603), (817, 21959), (3137, 5719)]