18671471

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10799}}^1$

素因数の和:10838

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5520529

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10799, 75593, 140387, 205181, 982709, 1436267, 2667353, 18671471]

約数ペア:

[(1, 18671471), (7, 2667353), (13, 1436267), (19, 982709), (91, 205181), (133, 140387), (247, 75593), (1729, 10799)]