19321580

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1427}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 40663728

約数和(自身を除く): 21342148

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1427, 2708, 2854, 3385, 5708, 6770, 7135, 13540, 14270, 28540, 966079, 1932158, 3864316, 4830395, 9660790, 19321580]

約数ペア:

[(1, 19321580), (2, 9660790), (4, 4830395), (5, 3864316), (10, 1932158), (20, 966079), (677, 28540), (1354, 14270), (1427, 13540), (2708, 7135), (2854, 6770), (3385, 5708)]