19850644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4139}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 18402956

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4139, 4796, 8278, 16556, 45529, 91058, 182116, 451151, 902302, 1804604, 4962661, 9925322, 19850644]

約数ペア:

[(1, 19850644), (2, 9925322), (4, 4962661), (11, 1804604), (22, 902302), (44, 451151), (109, 182116), (218, 91058), (436, 45529), (1199, 16556), (2398, 8278), (4139, 4796)]