18704189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2099}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 4143811

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2099, 8911, 14693, 39881, 140633, 279167, 984431, 2672027, 18704189]

約数ペア:

[(1, 18704189), (7, 2672027), (19, 984431), (67, 279167), (133, 140633), (469, 39881), (1273, 14693), (2099, 8911)]