16513945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1307}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 23920704

約数和(自身を除く): 7406759

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1307, 1805, 2527, 6535, 9149, 12635, 24833, 45745, 124165, 173831, 471827, 869155, 2359135, 3302789, 16513945]

約数ペア:

[(1, 16513945), (5, 3302789), (7, 2359135), (19, 869155), (35, 471827), (95, 173831), (133, 124165), (361, 45745), (665, 24833), (1307, 12635), (1805, 9149), (2527, 6535)]