18381880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41777}}^1$

素因数の和:41799

約数の個数: 32

約数和(自身を含む): 45120240

約数和(自身を除く): 26738360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41777, 83554, 167108, 208885, 334216, 417770, 459547, 835540, 919094, 1671080, 1838188, 2297735, 3676376, 4595470, 9190940, 18381880]

約数ペア:

[(1, 18381880), (2, 9190940), (4, 4595470), (5, 3676376), (8, 2297735), (10, 1838188), (11, 1671080), (20, 919094), (22, 835540), (40, 459547), (44, 417770), (55, 334216), (88, 208885), (110, 167108), (220, 83554), (440, 41777)]