18155912

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 17008888

約数列:

[1, 2, 4, 8, 47, 94, 109, 188, 218, 376, 436, 443, 872, 886, 1772, 3544, 5123, 10246, 20492, 20821, 40984, 41642, 48287, 83284, 96574, 166568, 193148, 386296, 2269489, 4538978, 9077956, 18155912]

約数ペア:

[(1, 18155912), (2, 9077956), (4, 4538978), (8, 2269489), (47, 386296), (94, 193148), (109, 166568), (188, 96574), (218, 83284), (376, 48287), (436, 41642), (443, 40984), (872, 20821), (886, 20492), (1772, 10246), (3544, 5123)]