17939997

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{22397}}^1$

素因数の和:22492

約数の個数: 12

約数和(自身を含む): 26205660

約数和(自身を除く): 8265663

約数列:

[1, 3, 9, 89, 267, 801, 22397, 67191, 201573, 1993333, 5979999, 17939997]

約数ペア:

[(1, 17939997), (3, 5979999), (9, 1993333), (89, 201573), (267, 67191), (801, 22397)]