18861630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{628721}}^1$

素因数の和:628731

約数の個数: 16

約数和(自身を含む): 45267984

約数和(自身を除く): 26406354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 628721, 1257442, 1886163, 3143605, 3772326, 6287210, 9430815, 18861630]

約数ペア:

[(1, 18861630), (2, 9430815), (3, 6287210), (5, 3772326), (6, 3143605), (10, 1886163), (15, 1257442), (30, 628721)]