19137755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42061}}^1$

素因数の和:42086

約数の個数: 16

約数和(自身を含む): 28265664

約数和(自身を除く): 9127909

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 42061, 210305, 294427, 546793, 1472135, 2733965, 3827551, 19137755]

約数ペア:

[(1, 19137755), (5, 3827551), (7, 2733965), (13, 1472135), (35, 546793), (65, 294427), (91, 210305), (455, 42061)]