18961926985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{513943}}^1$

素因数の和:514152

約数の個数: 16

約数和(自身を含む): 23386507776

約数和(自身を除く): 4424580791

約数列:

[1, 5, 47, 157, 235, 785, 7379, 36895, 513943, 2569715, 24155321, 80689051, 120776605, 403445255, 3792385397, 18961926985]

約数ペア:

[(1, 18961926985), (5, 3792385397), (47, 403445255), (157, 120776605), (235, 80689051), (785, 24155321), (7379, 2569715), (36895, 513943)]