19857004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 36636768

約数和(自身を除く): 16779764

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 2137, 2323, 4274, 4646, 8548, 9292, 49151, 98302, 196604, 215837, 431674, 863348, 4964251, 9928502, 19857004]

約数ペア:

[(1, 19857004), (2, 9928502), (4, 4964251), (23, 863348), (46, 431674), (92, 215837), (101, 196604), (202, 98302), (404, 49151), (2137, 9292), (2323, 8548), (4274, 4646)]