18419964

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{66739}}^1$

素因数の和:66769

約数の個数: 24

約数和(自身を含む): 44849280

約数和(自身を除く): 26429316

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 66739, 133478, 200217, 266956, 400434, 800868, 1534997, 3069994, 4604991, 6139988, 9209982, 18419964]

約数ペア:

[(1, 18419964), (2, 9209982), (3, 6139988), (4, 4604991), (6, 3069994), (12, 1534997), (23, 800868), (46, 400434), (69, 266956), (92, 200217), (138, 133478), (276, 66739)]