18702005

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11369}}^1$

素因数の和:11428

約数の個数: 16

約数和(自身を含む): 26196480

約数和(自身を除く): 7494475

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 11369, 56845, 79583, 397915, 534343, 2671715, 3740401, 18702005]

約数ペア:

[(1, 18702005), (5, 3740401), (7, 2671715), (35, 534343), (47, 397915), (235, 79583), (329, 56845), (1645, 11369)]