18724479

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:4006

約数の個数: 16

約数和(自身を含む): 26243712

約数和(自身を除く): 7519233

約数列:

[1, 3, 37, 43, 111, 129, 1591, 3923, 4773, 11769, 145151, 168689, 435453, 506067, 6241493, 18724479]

約数ペア:

[(1, 18724479), (3, 6241493), (37, 506067), (43, 435453), (111, 168689), (129, 145151), (1591, 11769), (3923, 4773)]