19307680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17239}}^1$

素因数の和:17261

約数の個数: 48

約数和(自身を含む): 52133760

約数和(自身を除く): 32826080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17239, 34478, 68956, 86195, 120673, 137912, 172390, 241346, 275824, 344780, 482692, 551648, 603365, 689560, 965384, 1206730, 1379120, 1930768, 2413460, 2758240, 3861536, 4826920, 9653840, 19307680]

約数ペア:

[(1, 19307680), (2, 9653840), (4, 4826920), (5, 3861536), (7, 2758240), (8, 2413460), (10, 1930768), (14, 1379120), (16, 1206730), (20, 965384), (28, 689560), (32, 603365), (35, 551648), (40, 482692), (56, 344780), (70, 275824), (80, 241346), (112, 172390), (140, 137912), (160, 120673), (224, 86195), (280, 68956), (560, 34478), (1120, 17239)]