18208463

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2741}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 22725696

約数和(自身を除く): 4517233

約数列:

[1, 7, 13, 73, 91, 511, 949, 2741, 6643, 19187, 35633, 200093, 249431, 1400651, 2601209, 18208463]

約数ペア:

[(1, 18208463), (7, 2601209), (13, 1400651), (73, 249431), (91, 200093), (511, 35633), (949, 19187), (2741, 6643)]