18455788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^2$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 36242752

約数和(自身を除く): 17786964

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 107, 124, 214, 403, 428, 806, 1391, 1612, 2782, 3317, 5564, 6634, 11449, 13268, 22898, 43121, 45796, 86242, 148837, 172484, 297674, 354919, 595348, 709838, 1419676, 4613947, 9227894, 18455788]

約数ペア:

[(1, 18455788), (2, 9227894), (4, 4613947), (13, 1419676), (26, 709838), (31, 595348), (52, 354919), (62, 297674), (107, 172484), (124, 148837), (214, 86242), (403, 45796), (428, 43121), (806, 22898), (1391, 13268), (1612, 11449), (2782, 6634), (3317, 5564)]