19710416

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10181}}^1$

素因数の和:10211

約数の個数: 30

約数和(自身を含む): 41980386

約数和(自身を除く): 22269970

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10181, 20362, 40724, 81448, 111991, 162896, 223982, 447964, 895928, 1231901, 1791856, 2463802, 4927604, 9855208, 19710416]

約数ペア:

[(1, 19710416), (2, 9855208), (4, 4927604), (8, 2463802), (11, 1791856), (16, 1231901), (22, 895928), (44, 447964), (88, 223982), (121, 162896), (176, 111991), (242, 81448), (484, 40724), (968, 20362), (1936, 10181)]