19873328

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5197}}^1$

素因数の和:5444

約数の個数: 20

約数和(自身を含む): 38673120

約数和(自身を除く): 18799792

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5197, 10394, 20788, 41576, 83152, 1242083, 2484166, 4968332, 9936664, 19873328]

約数ペア:

[(1, 19873328), (2, 9936664), (4, 4968332), (8, 2484166), (16, 1242083), (239, 83152), (478, 41576), (956, 20788), (1912, 10394), (3824, 5197)]