18734589

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 10094211

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1231, 1691, 3693, 5073, 11079, 15219, 23389, 70167, 109559, 210501, 328677, 986031, 2081621, 6244863, 18734589]

約数ペア:

[(1, 18734589), (3, 6244863), (9, 2081621), (19, 986031), (57, 328677), (89, 210501), (171, 109559), (267, 70167), (801, 23389), (1231, 15219), (1691, 11079), (3693, 5073)]