18812755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15233}}^1$

素因数の和:15270

約数の個数: 16

約数和(自身を含む): 25593120

約数和(自身を除く): 6780365

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15233, 76165, 198029, 289427, 990145, 1447135, 3762551, 18812755]

約数ペア:

[(1, 18812755), (5, 3762551), (13, 1447135), (19, 990145), (65, 289427), (95, 198029), (247, 76165), (1235, 15233)]