19154325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 14968491

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 181, 249, 255, 415, 425, 543, 905, 1245, 1275, 1411, 2075, 2715, 3077, 4233, 4525, 6225, 7055, 9231, 13575, 15023, 15385, 21165, 35275, 45069, 46155, 75115, 76925, 105825, 225345, 230775, 255391, 375575, 766173, 1126725, 1276955, 3830865, 6384775, 19154325]

約数ペア:

[(1, 19154325), (3, 6384775), (5, 3830865), (15, 1276955), (17, 1126725), (25, 766173), (51, 375575), (75, 255391), (83, 230775), (85, 225345), (181, 105825), (249, 76925), (255, 75115), (415, 46155), (425, 45069), (543, 35275), (905, 21165), (1245, 15385), (1275, 15023), (1411, 13575), (2075, 9231), (2715, 7055), (3077, 6225), (4233, 4525)]