18744455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 24058944

約数和(自身を除く): 5314489

約数列:

[1, 5, 17, 85, 103, 515, 1751, 2141, 8755, 10705, 36397, 181985, 220523, 1102615, 3748891, 18744455]

約数ペア:

[(1, 18744455), (5, 3748891), (17, 1102615), (85, 220523), (103, 181985), (515, 36397), (1751, 10705), (2141, 8755)]