18340240

素因数分解:

$2^4\times 5^1\times {\mathrm{229253}}^1$

素因数の和:229266

約数の個数: 20

約数和(自身を含む): 42641244

約数和(自身を除く): 24301004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229253, 458506, 917012, 1146265, 1834024, 2292530, 3668048, 4585060, 9170120, 18340240]

約数ペア:

[(1, 18340240), (2, 9170120), (4, 4585060), (5, 3668048), (8, 2292530), (10, 1834024), (16, 1146265), (20, 917012), (40, 458506), (80, 229253)]