19297239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29213184

約数和(自身を除く): 9915945

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 311, 481, 559, 933, 1443, 1591, 1677, 4043, 4773, 11507, 12129, 13373, 20683, 34521, 40119, 62049, 149591, 173849, 448773, 494801, 521547, 1484403, 6432413, 19297239]

約数ペア:

[(1, 19297239), (3, 6432413), (13, 1484403), (37, 521547), (39, 494801), (43, 448773), (111, 173849), (129, 149591), (311, 62049), (481, 40119), (559, 34521), (933, 20683), (1443, 13373), (1591, 12129), (1677, 11507), (4043, 4773)]