18678022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7789}}^1$

素因数の和:7911

約数の個数: 16

約数和(自身を含む): 30848400

約数和(自身を除く): 12170378

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7789, 15578, 85679, 171358, 849001, 1698002, 9339011, 18678022]

約数ペア:

[(1, 18678022), (2, 9339011), (11, 1698002), (22, 849001), (109, 171358), (218, 85679), (1199, 15578), (2398, 7789)]