18859839

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{617}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 26341632

約数和(自身を除く): 7481793

約数列:

[1, 3, 23, 69, 443, 617, 1329, 1851, 10189, 14191, 30567, 42573, 273331, 819993, 6286613, 18859839]

約数ペア:

[(1, 18859839), (3, 6286613), (23, 819993), (69, 273331), (443, 42573), (617, 30567), (1329, 14191), (1851, 10189)]