18880217

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 21098880

約数和(自身を除く): 2218663

約数列:

[1, 17, 23, 109, 391, 443, 1853, 2507, 7531, 10189, 42619, 48287, 173213, 820879, 1110601, 18880217]

約数ペア:

[(1, 18880217), (17, 1110601), (23, 820879), (109, 173213), (391, 48287), (443, 42619), (1853, 10189), (2507, 7531)]