18192969

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 18

約数和(自身を含む): 26720538

約数和(自身を除く): 8527569

約数列:

[1, 3, 9, 71, 213, 401, 639, 1203, 3609, 5041, 15123, 28471, 45369, 85413, 256239, 2021441, 6064323, 18192969]

約数ペア:

[(1, 18192969), (3, 6064323), (9, 2021441), (71, 256239), (213, 85413), (401, 45369), (639, 28471), (1203, 15123), (3609, 5041)]