17911243

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 21726720

約数和(自身を除く): 3815477

約数列:

[1, 7, 19, 133, 137, 959, 983, 2603, 6881, 18221, 18677, 130739, 134671, 942697, 2558749, 17911243]

約数ペア:

[(1, 17911243), (7, 2558749), (19, 942697), (133, 134671), (137, 130739), (959, 18677), (983, 18221), (2603, 6881)]