18637311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80681}}^1$

素因数の和:80702

約数の個数: 16

約数和(自身を含む): 30981888

約数和(自身を除く): 12344577

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80681, 242043, 564767, 887491, 1694301, 2662473, 6212437, 18637311]

約数ペア:

[(1, 18637311), (3, 6212437), (7, 2662473), (11, 1694301), (21, 887491), (33, 564767), (77, 242043), (231, 80681)]