18715347

素因数分解:

$3^3\times 7^1\times {\mathrm{99023}}^1$

素因数の和:99039

約数の個数: 16

約数和(自身を含む): 31687680

約数和(自身を除く): 12972333

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 99023, 297069, 693161, 891207, 2079483, 2673621, 6238449, 18715347]

約数ペア:

[(1, 18715347), (3, 6238449), (7, 2673621), (9, 2079483), (21, 891207), (27, 693161), (63, 297069), (189, 99023)]