18719286

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{135647}}^1$

素因数の和:135675

約数の個数: 16

約数和(自身を含む): 39066624

約数和(自身を除く): 20347338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 135647, 271294, 406941, 813882, 3119881, 6239762, 9359643, 18719286]

約数ペア:

[(1, 18719286), (2, 9359643), (3, 6239762), (6, 3119881), (23, 813882), (46, 406941), (69, 271294), (138, 135647)]