18741998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2441}}^1$

素因数の和:2803

約数の個数: 16

約数和(自身を含む): 30769200

約数和(自身を除く): 12027202

約数列:

[1, 2, 11, 22, 349, 698, 2441, 3839, 4882, 7678, 26851, 53702, 851909, 1703818, 9370999, 18741998]

約数ペア:

[(1, 18741998), (2, 9370999), (11, 1703818), (22, 851909), (349, 53702), (698, 26851), (2441, 7678), (3839, 4882)]