18828395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 23652000

約数和(自身を除く): 4823605

約数列:

[1, 5, 29, 89, 145, 445, 1459, 2581, 7295, 12905, 42311, 129851, 211555, 649255, 3765679, 18828395]

約数ペア:

[(1, 18828395), (5, 3765679), (29, 649255), (89, 211555), (145, 129851), (445, 42311), (1459, 12905), (2581, 7295)]