19258525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 28060704

約数和(自身を除く): 8802179

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5387, 26935, 59257, 70031, 134675, 296285, 350155, 770341, 1481425, 1750775, 3851705, 19258525]

約数ペア:

[(1, 19258525), (5, 3851705), (11, 1750775), (13, 1481425), (25, 770341), (55, 350155), (65, 296285), (143, 134675), (275, 70031), (325, 59257), (715, 26935), (3575, 5387)]