18138477

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 28343136

約数和(自身を除く): 10204659

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 757, 1141, 2271, 3423, 5299, 7987, 15897, 23961, 37093, 111279, 123391, 370173, 863737, 2591211, 6046159, 18138477]

約数ペア:

[(1, 18138477), (3, 6046159), (7, 2591211), (21, 863737), (49, 370173), (147, 123391), (163, 111279), (489, 37093), (757, 23961), (1141, 15897), (2271, 7987), (3423, 5299)]