19439500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 25533428

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2287, 4250, 4574, 8500, 9148, 11435, 22870, 38879, 45740, 57175, 77758, 114350, 155516, 194395, 228700, 285875, 388790, 571750, 777580, 971975, 1143500, 1943950, 3887900, 4859875, 9719750, 19439500]

約数ペア:

[(1, 19439500), (2, 9719750), (4, 4859875), (5, 3887900), (10, 1943950), (17, 1143500), (20, 971975), (25, 777580), (34, 571750), (50, 388790), (68, 285875), (85, 228700), (100, 194395), (125, 155516), (170, 114350), (250, 77758), (340, 57175), (425, 45740), (500, 38879), (850, 22870), (1700, 11435), (2125, 9148), (2287, 8500), (4250, 4574)]