19834520

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1429}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 44787600

約数和(自身を除く): 24953080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1429, 1735, 2776, 2858, 3470, 5716, 6940, 7145, 11432, 13880, 14290, 28580, 57160, 495863, 991726, 1983452, 2479315, 3966904, 4958630, 9917260, 19834520]

約数ペア:

[(1, 19834520), (2, 9917260), (4, 4958630), (5, 3966904), (8, 2479315), (10, 1983452), (20, 991726), (40, 495863), (347, 57160), (694, 28580), (1388, 14290), (1429, 13880), (1735, 11432), (2776, 7145), (2858, 6940), (3470, 5716)]