18675789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2963}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 27316224

約数和(自身を除く): 8640435

約数列:

[1, 3, 11, 33, 191, 573, 2101, 2963, 6303, 8889, 32593, 97779, 565933, 1697799, 6225263, 18675789]

約数ペア:

[(1, 18675789), (3, 6225263), (11, 1697799), (33, 565933), (191, 97779), (573, 32593), (2101, 8889), (2963, 6303)]