12421870

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9781}}^1$

素因数の和:9915

約数の個数: 16

約数和(自身を含む): 22537728

約数和(自身を除く): 10115858

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 9781, 19562, 48905, 97810, 1242187, 2484374, 6210935, 12421870]

約数ペア:

[(1, 12421870), (2, 6210935), (5, 2484374), (10, 1242187), (127, 97810), (254, 48905), (635, 19562), (1270, 9781)]