19389740

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2239}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 40830720

約数和(自身を除く): 21440980

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2239, 4330, 4478, 8660, 8956, 11195, 22390, 44780, 969487, 1938974, 3877948, 4847435, 9694870, 19389740]

約数ペア:

[(1, 19389740), (2, 9694870), (4, 4847435), (5, 3877948), (10, 1938974), (20, 969487), (433, 44780), (866, 22390), (1732, 11195), (2165, 8956), (2239, 8660), (4330, 4478)]