19987072

素因数分解:

$2^7\times 7^1\times {\mathrm{22307}}^1$

素因数の和:22328

約数の個数: 32

約数和(自身を含む): 45508320

約数和(自身を除く): 25521248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22307, 44614, 89228, 156149, 178456, 312298, 356912, 624596, 713824, 1249192, 1427648, 2498384, 2855296, 4996768, 9993536, 19987072]

約数ペア:

[(1, 19987072), (2, 9993536), (4, 4996768), (7, 2855296), (8, 2498384), (14, 1427648), (16, 1249192), (28, 713824), (32, 624596), (56, 356912), (64, 312298), (112, 178456), (128, 156149), (224, 89228), (448, 44614), (896, 22307)]