19726695965

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{2417}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 24563901024

約数和(自身を除く): 4837205059

約数列:

[1, 5, 37, 157, 185, 281, 785, 1405, 2417, 5809, 10397, 12085, 29045, 44117, 51985, 89429, 220585, 379469, 447145, 679177, 1632329, 1897345, 3395885, 8161645, 14040353, 25129549, 70201765, 106630789, 125647745, 533153945, 3945339193, 19726695965]

約数ペア:

[(1, 19726695965), (5, 3945339193), (37, 533153945), (157, 125647745), (185, 106630789), (281, 70201765), (785, 25129549), (1405, 14040353), (2417, 8161645), (5809, 3395885), (10397, 1897345), (12085, 1632329), (29045, 679177), (44117, 447145), (51985, 379469), (89429, 220585)]