19490185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27259}}^1$

素因数の和:27288

約数の個数: 16

約数和(自身を含む): 27478080

約数和(自身を除く): 7987895

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27259, 136295, 299849, 354367, 1499245, 1771835, 3898037, 19490185]

約数ペア:

[(1, 19490185), (5, 3898037), (11, 1771835), (13, 1499245), (55, 354367), (65, 299849), (143, 136295), (715, 27259)]