18945771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{811}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 27283200

約数和(自身を除く): 8337429

約数列:

[1, 3, 13, 39, 599, 811, 1797, 2433, 7787, 10543, 23361, 31629, 485789, 1457367, 6315257, 18945771]

約数ペア:

[(1, 18945771), (3, 6315257), (13, 1457367), (39, 485789), (599, 31629), (811, 23361), (1797, 10543), (2433, 7787)]