19009665

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13627}}^1$

素因数の和:13669

約数の個数: 24

約数和(自身を含む): 34015488

約数和(自身を除く): 15005823

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13627, 40881, 68135, 122643, 204405, 422437, 613215, 1267311, 2112185, 3801933, 6336555, 19009665]

約数ペア:

[(1, 19009665), (3, 6336555), (5, 3801933), (9, 2112185), (15, 1267311), (31, 613215), (45, 422437), (93, 204405), (155, 122643), (279, 68135), (465, 40881), (1395, 13627)]