18720990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{69337}}^1$

素因数の和:69353

約数の個数: 32

約数和(自身を含む): 49923360

約数和(自身を除く): 31202370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 69337, 138674, 208011, 346685, 416022, 624033, 693370, 1040055, 1248066, 1872099, 2080110, 3120165, 3744198, 6240330, 9360495, 18720990]

約数ペア:

[(1, 18720990), (2, 9360495), (3, 6240330), (5, 3744198), (6, 3120165), (9, 2080110), (10, 1872099), (15, 1248066), (18, 1040055), (27, 693370), (30, 624033), (45, 416022), (54, 346685), (90, 208011), (135, 138674), (270, 69337)]