19690288

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17333}}^1$

素因数の和:17412

約数の個数: 20

約数和(自身を含む): 38689488

約数和(自身を除く): 18999200

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17333, 34666, 69332, 138664, 277328, 1230643, 2461286, 4922572, 9845144, 19690288]

約数ペア:

[(1, 19690288), (2, 9845144), (4, 4922572), (8, 2461286), (16, 1230643), (71, 277328), (142, 138664), (284, 69332), (568, 34666), (1136, 17333)]