19207275

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3607}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 32212224

約数和(自身を除く): 13004949

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3607, 5325, 10821, 18035, 54105, 90175, 256097, 270525, 768291, 1280485, 3841455, 6402425, 19207275]

約数ペア:

[(1, 19207275), (3, 6402425), (5, 3841455), (15, 1280485), (25, 768291), (71, 270525), (75, 256097), (213, 90175), (355, 54105), (1065, 18035), (1775, 10821), (3607, 5325)]