19409560

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{769}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 43797600

約数和(自身を除く): 24388040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 769, 1262, 1538, 2524, 3076, 3155, 3845, 5048, 6152, 6310, 7690, 12620, 15380, 25240, 30760, 485239, 970478, 1940956, 2426195, 3881912, 4852390, 9704780, 19409560]

約数ペア:

[(1, 19409560), (2, 9704780), (4, 4852390), (5, 3881912), (8, 2426195), (10, 1940956), (20, 970478), (40, 485239), (631, 30760), (769, 25240), (1262, 15380), (1538, 12620), (2524, 7690), (3076, 6310), (3155, 6152), (3845, 5048)]