18988270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271261}}^1$

素因数の和:271275

約数の個数: 16

約数和(自身を含む): 39061728

約数和(自身を除く): 20073458

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271261, 542522, 1356305, 1898827, 2712610, 3797654, 9494135, 18988270]

約数ペア:

[(1, 18988270), (2, 9494135), (5, 3797654), (7, 2712610), (10, 1898827), (14, 1356305), (35, 542522), (70, 271261)]