19804116805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3303439}}^1$

素因数の和:3303564

約数の個数: 16

約数和(自身を含む): 26163244800

約数和(自身を除く): 6359127995

約数列:

[1, 5, 11, 55, 109, 545, 1199, 5995, 3303439, 16517195, 36337829, 181689145, 360074851, 1800374255, 3960823361, 19804116805]

約数ペア:

[(1, 19804116805), (5, 3960823361), (11, 1800374255), (55, 360074851), (109, 181689145), (545, 36337829), (1199, 16517195), (5995, 3303439)]