18523900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2694

約数の個数: 36

約数和(自身を含む): 40778640

約数和(自身を除く): 22254740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2609, 3550, 5218, 7100, 10436, 13045, 26090, 52180, 65225, 130450, 185239, 260900, 370478, 740956, 926195, 1852390, 3704780, 4630975, 9261950, 18523900]

約数ペア:

[(1, 18523900), (2, 9261950), (4, 4630975), (5, 3704780), (10, 1852390), (20, 926195), (25, 740956), (50, 370478), (71, 260900), (100, 185239), (142, 130450), (284, 65225), (355, 52180), (710, 26090), (1420, 13045), (1775, 10436), (2609, 7100), (3550, 5218)]