19389160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69247}}^1$

素因数の和:69265

約数の個数: 32

約数和(自身を含む): 49858560

約数和(自身を除く): 30469400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69247, 138494, 276988, 346235, 484729, 553976, 692470, 969458, 1384940, 1938916, 2423645, 2769880, 3877832, 4847290, 9694580, 19389160]

約数ペア:

[(1, 19389160), (2, 9694580), (4, 4847290), (5, 3877832), (7, 2769880), (8, 2423645), (10, 1938916), (14, 1384940), (20, 969458), (28, 692470), (35, 553976), (40, 484729), (56, 346235), (70, 276988), (140, 138494), (280, 69247)]