19660804

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 35486528

約数和(自身を除く): 15825724

約数列:

[1, 2, 4, 43, 86, 151, 172, 302, 604, 757, 1514, 3028, 6493, 12986, 25972, 32551, 65102, 114307, 130204, 228614, 457228, 4915201, 9830402, 19660804]

約数ペア:

[(1, 19660804), (2, 9830402), (4, 4915201), (43, 457228), (86, 228614), (151, 130204), (172, 114307), (302, 65102), (604, 32551), (757, 25972), (1514, 12986), (3028, 6493)]