19649005

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 4482515

約数列:

[1, 5, 83, 113, 415, 419, 565, 2095, 9379, 34777, 46895, 47347, 173885, 236735, 3929801, 19649005]

約数ペア:

[(1, 19649005), (5, 3929801), (83, 236735), (113, 173885), (415, 47347), (419, 46895), (565, 34777), (2095, 9379)]