18884920

素因数分解:

$2^3\times 5^1\times {\mathrm{472123}}^1$

素因数の和:472134

約数の個数: 16

約数和(自身を含む): 42491160

約数和(自身を除く): 23606240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472123, 944246, 1888492, 2360615, 3776984, 4721230, 9442460, 18884920]

約数ペア:

[(1, 18884920), (2, 9442460), (4, 4721230), (5, 3776984), (8, 2360615), (10, 1888492), (20, 944246), (40, 472123)]