17871880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34369}}^1$

素因数の和:34393

約数の個数: 32

約数和(自身を含む): 43306200

約数和(自身を除く): 25434320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34369, 68738, 137476, 171845, 274952, 343690, 446797, 687380, 893594, 1374760, 1787188, 2233985, 3574376, 4467970, 8935940, 17871880]

約数ペア:

[(1, 17871880), (2, 8935940), (4, 4467970), (5, 3574376), (8, 2233985), (10, 1787188), (13, 1374760), (20, 893594), (26, 687380), (40, 446797), (52, 343690), (65, 274952), (104, 171845), (130, 137476), (260, 68738), (520, 34369)]