19555316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1993}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 37519104

約数和(自身を除く): 17963788

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1993, 2453, 3986, 4906, 7972, 9812, 21923, 43846, 87692, 444439, 888878, 1777756, 4888829, 9777658, 19555316]

約数ペア:

[(1, 19555316), (2, 9777658), (4, 4888829), (11, 1777756), (22, 888878), (44, 444439), (223, 87692), (446, 43846), (892, 21923), (1993, 9812), (2453, 7972), (3986, 4906)]