18215533

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 21293440

約数和(自身を除く): 3077907

約数列:

[1, 7, 97, 139, 193, 679, 973, 1351, 13483, 18721, 26827, 94381, 131047, 187789, 2602219, 18215533]

約数ペア:

[(1, 18215533), (7, 2602219), (97, 187789), (139, 131047), (193, 94381), (679, 26827), (973, 18721), (1351, 13483)]