19594564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 37594368

約数和(自身を除く): 17999804

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1997, 2453, 3994, 4906, 7988, 9812, 21967, 43934, 87868, 445331, 890662, 1781324, 4898641, 9797282, 19594564]

約数ペア:

[(1, 19594564), (2, 9797282), (4, 4898641), (11, 1781324), (22, 890662), (44, 445331), (223, 87868), (446, 43934), (892, 21967), (1997, 9812), (2453, 7988), (3994, 4906)]