20199078847

素因数分解:

${\mathrm{19}}^2\times {\mathrm{3449}}^1\times {\mathrm{16223}}^1$

素因数の和:19710

約数の個数: 12

約数和(自身を含む): 21325636800

約数和(自身を除く): 1126557953

約数列:

[1, 19, 361, 3449, 16223, 65531, 308237, 1245089, 5856503, 55953127, 1063109413, 20199078847]

約数ペア:

[(1, 20199078847), (19, 1063109413), (361, 55953127), (3449, 5856503), (16223, 1245089), (65531, 308237)]