18900810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{70003}}^1$

素因数の和:70019

約数の個数: 32

約数和(自身を含む): 50402880

約数和(自身を除く): 31502070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 70003, 140006, 210009, 350015, 420018, 630027, 700030, 1050045, 1260054, 1890081, 2100090, 3150135, 3780162, 6300270, 9450405, 18900810]

約数ペア:

[(1, 18900810), (2, 9450405), (3, 6300270), (5, 3780162), (6, 3150135), (9, 2100090), (10, 1890081), (15, 1260054), (18, 1050045), (27, 700030), (30, 630027), (45, 420018), (54, 350015), (90, 210009), (135, 140006), (270, 70003)]