18504717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80107}}^1$

素因数の和:80128

約数の個数: 16

約数和(自身を含む): 30761472

約数和(自身を除く): 12256755

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80107, 240321, 560749, 881177, 1682247, 2643531, 6168239, 18504717]

約数ペア:

[(1, 18504717), (3, 6168239), (7, 2643531), (11, 1682247), (21, 881177), (33, 560749), (77, 240321), (231, 80107)]