18515795

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22676160

約数和(自身を除く): 4160365

約数列:

[1, 5, 103, 157, 229, 515, 785, 1145, 16171, 23587, 35953, 80855, 117935, 179765, 3703159, 18515795]

約数ペア:

[(1, 18515795), (5, 3703159), (103, 179765), (157, 117935), (229, 80855), (515, 35953), (785, 23587), (1145, 16171)]