19680801

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5821}}^1$

素因数の和:5861

約数の個数: 24

約数和(自身を含む): 31857984

約数和(自身を除く): 12177183

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5821, 17463, 40747, 122241, 133883, 285229, 401649, 855687, 937181, 2811543, 6560267, 19680801]

約数ペア:

[(1, 19680801), (3, 6560267), (7, 2811543), (21, 937181), (23, 855687), (49, 401649), (69, 285229), (147, 133883), (161, 122241), (483, 40747), (1127, 17463), (3381, 5821)]