19974620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34439}}^1$

素因数の和:34477

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 23419780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34439, 68878, 137756, 172195, 344390, 688780, 998731, 1997462, 3994924, 4993655, 9987310, 19974620]

約数ペア:

[(1, 19974620), (2, 9987310), (4, 4993655), (5, 3994924), (10, 1997462), (20, 998731), (29, 688780), (58, 344390), (116, 172195), (145, 137756), (290, 68878), (580, 34439)]