16868990

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6271}}^1$

素因数の和:6547

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 13612930

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 6271, 12542, 31355, 62710, 1686899, 3373798, 8434495, 16868990]

約数ペア:

[(1, 16868990), (2, 8434495), (5, 3373798), (10, 1686899), (269, 62710), (538, 31355), (1345, 12542), (2690, 6271)]