12560919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31481}}^1$

素因数の和:31510

約数の個数: 16

約数和(自身を含む): 20148480

約数和(自身を除く): 7587561

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31481, 94443, 220367, 598139, 661101, 1794417, 4186973, 12560919]

約数ペア:

[(1, 12560919), (3, 4186973), (7, 1794417), (19, 661101), (21, 598139), (57, 220367), (133, 94443), (399, 31481)]