19291393

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 22641920

約数和(自身を除く): 3350527

約数列:

[1, 11, 31, 37, 121, 139, 341, 407, 1147, 1529, 3751, 4309, 4477, 5143, 12617, 16819, 47399, 56573, 138787, 159433, 521389, 622303, 1753763, 19291393]

約数ペア:

[(1, 19291393), (11, 1753763), (31, 622303), (37, 521389), (121, 159433), (139, 138787), (341, 56573), (407, 47399), (1147, 16819), (1529, 12617), (3751, 5143), (4309, 4477)]