19982620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142733}}^1$

素因数の和:142749

約数の個数: 24

約数和(自身を含む): 47958624

約数和(自身を除く): 27976004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142733, 285466, 570932, 713665, 999131, 1427330, 1998262, 2854660, 3996524, 4995655, 9991310, 19982620]

約数ペア:

[(1, 19982620), (2, 9991310), (4, 4995655), (5, 3996524), (7, 2854660), (10, 1998262), (14, 1427330), (20, 999131), (28, 713665), (35, 570932), (70, 285466), (140, 142733)]