18322581

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 25346048

約数和(自身を除く): 7023467

約数列:

[1, 3, 31, 93, 271, 727, 813, 2181, 8401, 22537, 25203, 67611, 197017, 591051, 6107527, 18322581]

約数ペア:

[(1, 18322581), (3, 6107527), (31, 591051), (93, 197017), (271, 67611), (727, 25203), (813, 22537), (2181, 8401)]