19205145

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6011}}^1$

素因数の和:6093

約数の個数: 24

約数和(自身を含む): 33763392

約数和(自身を除く): 14558247

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6011, 18033, 30055, 54099, 90165, 270495, 426781, 1280343, 2133905, 3841029, 6401715, 19205145]

約数ペア:

[(1, 19205145), (3, 6401715), (5, 3841029), (9, 2133905), (15, 1280343), (45, 426781), (71, 270495), (213, 90165), (355, 54099), (639, 30055), (1065, 18033), (3195, 6011)]