1800000054

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{155521}}^1$

素因数の和:156172

約数の個数: 24

約数和(自身を含む): 3906090552

約数和(自身を除く): 2106090498

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1929, 3858, 5787, 11574, 155521, 311042, 466563, 933126, 1399689, 2799378, 100000003, 200000006, 300000009, 600000018, 900000027, 1800000054]

約数ペア:

[(1, 1800000054), (2, 900000027), (3, 600000018), (6, 300000009), (9, 200000006), (18, 100000003), (643, 2799378), (1286, 1399689), (1929, 933126), (3858, 466563), (5787, 311042), (11574, 155521)]