19466975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 27252720

約数和(自身を除く): 7785745

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 2441, 7975, 12205, 26851, 61025, 70789, 134255, 353945, 671275, 778679, 1769725, 3893395, 19466975]

約数ペア:

[(1, 19466975), (5, 3893395), (11, 1769725), (25, 778679), (29, 671275), (55, 353945), (145, 134255), (275, 70789), (319, 61025), (725, 26851), (1595, 12205), (2441, 7975)]