19980459861

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{413443}}^1$

素因数の和:413716

約数の個数: 16

約数和(自身を含む): 27088850880

約数和(自身を除く): 7108391019

約数列:

[1, 3, 89, 181, 267, 543, 16109, 48327, 413443, 1240329, 36796427, 74833183, 110389281, 224499549, 6660153287, 19980459861]

約数ペア:

[(1, 19980459861), (3, 6660153287), (89, 224499549), (181, 110389281), (267, 74833183), (543, 36796427), (16109, 1240329), (48327, 413443)]