18927701

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 21385728

約数和(自身を除く): 2458027

約数列:

[1, 13, 31, 67, 403, 701, 871, 2077, 9113, 21731, 27001, 46967, 282503, 610571, 1455977, 18927701]

約数ペア:

[(1, 18927701), (13, 1455977), (31, 610571), (67, 282503), (403, 46967), (701, 27001), (871, 21731), (2077, 9113)]