18774814

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 28844640

約数和(自身を除く): 10069826

約数列:

[1, 2, 71, 109, 142, 218, 1213, 2426, 7739, 15478, 86123, 132217, 172246, 264434, 9387407, 18774814]

約数ペア:

[(1, 18774814), (2, 9387407), (71, 264434), (109, 172246), (142, 132217), (218, 86123), (1213, 15478), (2426, 7739)]