18541980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34337}}^1$

素因数の和:34355

約数の個数: 48

約数和(自身を含む): 57687840

約数和(自身を除く): 39145860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34337, 68674, 103011, 137348, 171685, 206022, 309033, 343370, 412044, 515055, 618066, 686740, 927099, 1030110, 1236132, 1545165, 1854198, 2060220, 3090330, 3708396, 4635495, 6180660, 9270990, 18541980]

約数ペア:

[(1, 18541980), (2, 9270990), (3, 6180660), (4, 4635495), (5, 3708396), (6, 3090330), (9, 2060220), (10, 1854198), (12, 1545165), (15, 1236132), (18, 1030110), (20, 927099), (27, 686740), (30, 618066), (36, 515055), (45, 412044), (54, 343370), (60, 309033), (90, 206022), (108, 171685), (135, 137348), (180, 103011), (270, 68674), (540, 34337)]