19231587

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{1019}}^1$

素因数の和:1264

約数の個数: 20

約数和(自身を含む): 28880280

約数和(自身を除く): 9648693

約数列:

[1, 3, 9, 27, 81, 233, 699, 1019, 2097, 3057, 6291, 9171, 18873, 27513, 82539, 237427, 712281, 2136843, 6410529, 19231587]

約数ペア:

[(1, 19231587), (3, 6410529), (9, 2136843), (27, 712281), (81, 237427), (233, 82539), (699, 27513), (1019, 18873), (2097, 9171), (3057, 6291)]