19194955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 8021045

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 599, 1105, 1885, 2465, 2995, 6409, 7787, 10183, 17371, 32045, 38935, 50915, 86855, 132379, 225823, 295307, 661895, 1129115, 1476535, 3838991, 19194955]

約数ペア:

[(1, 19194955), (5, 3838991), (13, 1476535), (17, 1129115), (29, 661895), (65, 295307), (85, 225823), (145, 132379), (221, 86855), (377, 50915), (493, 38935), (599, 32045), (1105, 17371), (1885, 10183), (2465, 7787), (2995, 6409)]