19085840

素因数分解:

$2^4\times 5^1\times {\mathrm{238573}}^1$

素因数の和:238586

約数の個数: 20

約数和(自身を含む): 44374764

約数和(自身を除く): 25288924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238573, 477146, 954292, 1192865, 1908584, 2385730, 3817168, 4771460, 9542920, 19085840]

約数ペア:

[(1, 19085840), (2, 9542920), (4, 4771460), (5, 3817168), (8, 2385730), (10, 1908584), (16, 1192865), (20, 954292), (40, 477146), (80, 238573)]