12389690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13921}}^1$

素因数の和:14017

約数の個数: 16

約数和(自身を含む): 22553640

約数和(自身を除く): 10163950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 13921, 27842, 69605, 139210, 1238969, 2477938, 6194845, 12389690]

約数ペア:

[(1, 12389690), (2, 6194845), (5, 2477938), (10, 1238969), (89, 139210), (178, 69605), (445, 27842), (890, 13921)]