18749616440

素因数分解:

$2^3\times 5^1\times {\mathrm{468740411}}^1$

素因数の和:468740422

約数の個数: 16

約数和(自身を含む): 42186637080

約数和(自身を除く): 23437020640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468740411, 937480822, 1874961644, 2343702055, 3749923288, 4687404110, 9374808220, 18749616440]

約数ペア:

[(1, 18749616440), (2, 9374808220), (4, 4687404110), (5, 3749923288), (8, 2343702055), (10, 1874961644), (20, 937480822), (40, 468740411)]