19489953

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48847}}^1$

素因数の和:48876

約数の個数: 16

約数和(自身を含む): 31262720

約数和(自身を除く): 11772767

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 48847, 146541, 341929, 928093, 1025787, 2784279, 6496651, 19489953]

約数ペア:

[(1, 19489953), (3, 6496651), (7, 2784279), (19, 1025787), (21, 928093), (57, 341929), (133, 146541), (399, 48847)]