18039749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 22380288

約数和(自身を除く): 4340539

約数列:

[1, 7, 13, 91, 137, 959, 1447, 1781, 10129, 12467, 18811, 131677, 198239, 1387673, 2577107, 18039749]

約数ペア:

[(1, 18039749), (7, 2577107), (13, 1387673), (91, 198239), (137, 131677), (959, 18811), (1447, 12467), (1781, 10129)]