18821510

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8219}}^1$

素因数の和:8455

約数の個数: 16

約数和(自身を含む): 34030800

約数和(自身を除く): 15209290

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8219, 16438, 41095, 82190, 1882151, 3764302, 9410755, 18821510]

約数ペア:

[(1, 18821510), (2, 9410755), (5, 3764302), (10, 1882151), (229, 82190), (458, 41095), (1145, 16438), (2290, 8219)]