18631980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103511}}^1$

素因数の和:103526

約数の個数: 36

約数和(自身を含む): 56517552

約数和(自身を除く): 37885572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103511, 207022, 310533, 414044, 517555, 621066, 931599, 1035110, 1242132, 1552665, 1863198, 2070220, 3105330, 3726396, 4657995, 6210660, 9315990, 18631980]

約数ペア:

[(1, 18631980), (2, 9315990), (3, 6210660), (4, 4657995), (5, 3726396), (6, 3105330), (9, 2070220), (10, 1863198), (12, 1552665), (15, 1242132), (18, 1035110), (20, 931599), (30, 621066), (36, 517555), (45, 414044), (60, 310533), (90, 207022), (180, 103511)]