18094220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4057}}^1$

素因数の和:4289

約数の個数: 24

約数和(自身を含む): 38177664

約数和(自身を除く): 20083444

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4057, 4460, 8114, 16228, 20285, 40570, 81140, 904711, 1809422, 3618844, 4523555, 9047110, 18094220]

約数ペア:

[(1, 18094220), (2, 9047110), (4, 4523555), (5, 3618844), (10, 1809422), (20, 904711), (223, 81140), (446, 40570), (892, 20285), (1115, 16228), (2230, 8114), (4057, 4460)]