19553963

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 23952768

約数和(自身を除く): 4398805

約数列:

[1, 11, 13, 31, 121, 143, 341, 401, 403, 1573, 3751, 4411, 4433, 5213, 12431, 48521, 48763, 57343, 136741, 161603, 630773, 1504151, 1777633, 19553963]

約数ペア:

[(1, 19553963), (11, 1777633), (13, 1504151), (31, 630773), (121, 161603), (143, 136741), (341, 57343), (401, 48763), (403, 48521), (1573, 12431), (3751, 5213), (4411, 4433)]