19120

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1$

素因数の和:252

約数の個数: 20

約数和(自身を含む): 44640

約数和(自身を除く): 25520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120]

約数ペア:

[(1, 19120), (2, 9560), (4, 4780), (5, 3824), (8, 2390), (10, 1912), (16, 1195), (20, 956), (40, 478), (80, 239)]