17873540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 21244924

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 307, 355, 410, 614, 710, 820, 1228, 1420, 1535, 2911, 3070, 5822, 6140, 11644, 12587, 14555, 21797, 25174, 29110, 43594, 50348, 58220, 62935, 87188, 108985, 125870, 217970, 251740, 435940, 893677, 1787354, 3574708, 4468385, 8936770, 17873540]

約数ペア:

[(1, 17873540), (2, 8936770), (4, 4468385), (5, 3574708), (10, 1787354), (20, 893677), (41, 435940), (71, 251740), (82, 217970), (142, 125870), (164, 108985), (205, 87188), (284, 62935), (307, 58220), (355, 50348), (410, 43594), (614, 29110), (710, 25174), (820, 21797), (1228, 14555), (1420, 12587), (1535, 11644), (2911, 6140), (3070, 5822)]