18112721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 20487168

約数和(自身を除く): 2374447

約数列:

[1, 11, 37, 191, 233, 407, 2101, 2563, 7067, 8621, 44503, 77737, 94831, 489533, 1646611, 18112721]

約数ペア:

[(1, 18112721), (11, 1646611), (37, 489533), (191, 94831), (233, 77737), (407, 44503), (2101, 8621), (2563, 7067)]