18273879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 28574000

約数和(自身を除く): 10300121

約数列:

[1, 3, 9, 13, 39, 117, 313, 499, 939, 1497, 2817, 4069, 4491, 6487, 12207, 19461, 36621, 58383, 156187, 468561, 1405683, 2030431, 6091293, 18273879]

約数ペア:

[(1, 18273879), (3, 6091293), (9, 2030431), (13, 1405683), (39, 468561), (117, 156187), (313, 58383), (499, 36621), (939, 19461), (1497, 12207), (2817, 6487), (4069, 4491)]