18841264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90583}}^1$

素因数の和:90604

約数の個数: 20

約数和(自身を含む): 39313456

約数和(自身を除く): 20472192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90583, 181166, 362332, 724664, 1177579, 1449328, 2355158, 4710316, 9420632, 18841264]

約数ペア:

[(1, 18841264), (2, 9420632), (4, 4710316), (8, 2355158), (13, 1449328), (16, 1177579), (26, 724664), (52, 362332), (104, 181166), (208, 90583)]