17928220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6449}}^1$

素因数の和:6597

約数の個数: 24

約数和(自身を含む): 37926000

約数和(自身を除く): 19997780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6449, 12898, 25796, 32245, 64490, 128980, 896411, 1792822, 3585644, 4482055, 8964110, 17928220]

約数ペア:

[(1, 17928220), (2, 8964110), (4, 4482055), (5, 3585644), (10, 1792822), (20, 896411), (139, 128980), (278, 64490), (556, 32245), (695, 25796), (1390, 12898), (2780, 6449)]