18980497

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 20465280

約数和(自身を除く): 1484783

約数列:

[1, 23, 67, 109, 113, 1541, 2507, 2599, 7303, 7571, 12317, 167969, 174133, 283291, 825239, 18980497]

約数ペア:

[(1, 18980497), (23, 825239), (67, 283291), (109, 174133), (113, 167969), (1541, 12317), (2507, 7571), (2599, 7303)]