19968156935

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1\times {\mathrm{31643}}^1$

素因数の和:33778

約数の個数: 16

約数和(自身を含む): 24367145760

約数和(自身を除く): 4398988825

約数列:

[1, 5, 61, 305, 2069, 10345, 31643, 126209, 158215, 631045, 1930223, 9651115, 65469367, 327346835, 3993631387, 19968156935]

約数ペア:

[(1, 19968156935), (5, 3993631387), (61, 327346835), (305, 65469367), (2069, 9651115), (10345, 1930223), (31643, 631045), (126209, 158215)]