18001278

素因数分解:

$2^1\times 3^4\times {\mathrm{111119}}^1$

素因数の和:111133

約数の個数: 20

約数和(自身を含む): 40336560

約数和(自身を除く): 22335282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 111119, 222238, 333357, 666714, 1000071, 2000142, 3000213, 6000426, 9000639, 18001278]

約数ペア:

[(1, 18001278), (2, 9000639), (3, 6000426), (6, 3000213), (9, 2000142), (18, 1000071), (27, 666714), (54, 333357), (81, 222238), (162, 111119)]