2018455940

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{111271}}^1$

素因数の和:112187

約数の個数: 24

約数和(自身を含む): 4243468992

約数和(自身を除く): 2225013052

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 111271, 222542, 445084, 556355, 1112710, 2225420, 100922797, 201845594, 403691188, 504613985, 1009227970, 2018455940]

約数ペア:

[(1, 2018455940), (2, 1009227970), (4, 504613985), (5, 403691188), (10, 201845594), (20, 100922797), (907, 2225420), (1814, 1112710), (3628, 556355), (4535, 445084), (9070, 222542), (18140, 111271)]