12191390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5101}}^1$

素因数の和:5347

約数の個数: 16

約数和(自身を含む): 22040640

約数和(自身を除く): 9849250

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 5101, 10202, 25505, 51010, 1219139, 2438278, 6095695, 12191390]

約数ペア:

[(1, 12191390), (2, 6095695), (5, 2438278), (10, 1219139), (239, 51010), (478, 25505), (1195, 10202), (2390, 5101)]