19987542

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3617}}^1$

素因数の和:3932

約数の個数: 24

約数和(自身を含む): 43459416

約数和(自身を除く): 23471874

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3617, 5526, 7234, 10851, 21702, 32553, 65106, 1110419, 2220838, 3331257, 6662514, 9993771, 19987542]

約数ペア:

[(1, 19987542), (2, 9993771), (3, 6662514), (6, 3331257), (9, 2220838), (18, 1110419), (307, 65106), (614, 32553), (921, 21702), (1842, 10851), (2763, 7234), (3617, 5526)]