18784660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55249}}^1$

素因数の和:55275

約数の個数: 24

約数和(自身を含む): 41769000

約数和(自身を除く): 22984340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55249, 110498, 220996, 276245, 552490, 939233, 1104980, 1878466, 3756932, 4696165, 9392330, 18784660]

約数ペア:

[(1, 18784660), (2, 9392330), (4, 4696165), (5, 3756932), (10, 1878466), (17, 1104980), (20, 939233), (34, 552490), (68, 276245), (85, 220996), (170, 110498), (340, 55249)]