2017889990

素因数分解:

$2^1\times 5^1\times {\mathrm{9239}}^1\times {\mathrm{21841}}^1$

素因数の和:31087

約数の個数: 16

約数和(自身を含む): 3632761440

約数和(自身を除く): 1614871450

約数列:

[1, 2, 5, 10, 9239, 18478, 21841, 43682, 46195, 92390, 109205, 218410, 201788999, 403577998, 1008944995, 2017889990]

約数ペア:

[(1, 2017889990), (2, 1008944995), (5, 403577998), (10, 201788999), (9239, 218410), (18478, 109205), (21841, 92390), (43682, 46195)]