18741680

素因数分解:

$2^4\times 5^1\times {\mathrm{234271}}^1$

素因数の和:234284

約数の個数: 20

約数和(自身を含む): 43574592

約数和(自身を除く): 24832912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234271, 468542, 937084, 1171355, 1874168, 2342710, 3748336, 4685420, 9370840, 18741680]

約数ペア:

[(1, 18741680), (2, 9370840), (4, 4685420), (5, 3748336), (8, 2342710), (10, 1874168), (16, 1171355), (20, 937084), (40, 468542), (80, 234271)]