18875181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4283}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 27349056

約数和(自身を除く): 8473875

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4283, 4407, 12849, 55679, 167037, 483979, 1451937, 6291727, 18875181]

約数ペア:

[(1, 18875181), (3, 6291727), (13, 1451937), (39, 483979), (113, 167037), (339, 55679), (1469, 12849), (4283, 4407)]