19517247

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6397}}^1$

素因数の和:6519

約数の個数: 16

約数和(自身を含む): 29174880

約数和(自身を除く): 9657633

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6397, 19191, 57573, 172719, 722861, 2168583, 6505749, 19517247]

約数ペア:

[(1, 19517247), (3, 6505749), (9, 2168583), (27, 722861), (113, 172719), (339, 57573), (1017, 19191), (3051, 6397)]