19984100

素因数分解:

$2^2\times 5^2\times {\mathrm{337}}^1\times {\mathrm{593}}^1$

素因数の和:944

約数の個数: 36

約数和(自身を含む): 43567524

約数和(自身を除く): 23583424

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 337, 593, 674, 1186, 1348, 1685, 2372, 2965, 3370, 5930, 6740, 8425, 11860, 14825, 16850, 29650, 33700, 59300, 199841, 399682, 799364, 999205, 1998410, 3996820, 4996025, 9992050, 19984100]

約数ペア:

[(1, 19984100), (2, 9992050), (4, 4996025), (5, 3996820), (10, 1998410), (20, 999205), (25, 799364), (50, 399682), (100, 199841), (337, 59300), (593, 33700), (674, 29650), (1186, 16850), (1348, 14825), (1685, 11860), (2372, 8425), (2965, 6740), (3370, 5930)]