18859594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23399}}^1$

素因数の和:23445

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 12590006

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23399, 46798, 304187, 608374, 725369, 1450738, 9429797, 18859594]

約数ペア:

[(1, 18859594), (2, 9429797), (13, 1450738), (26, 725369), (31, 608374), (62, 304187), (403, 46798), (806, 23399)]