18940467

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69379}}^1$

素因数の和:69402

約数の個数: 16

約数和(自身を含む): 31082240

約数和(自身を除く): 12141773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69379, 208137, 485653, 901927, 1456959, 2705781, 6313489, 18940467]

約数ペア:

[(1, 18940467), (3, 6313489), (7, 2705781), (13, 1456959), (21, 901927), (39, 485653), (91, 208137), (273, 69379)]