19321215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 32802816

約数和(自身を除く): 13481601

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1123, 1147, 3369, 3441, 5615, 5735, 16845, 17205, 34813, 41551, 104439, 124653, 174065, 207755, 522195, 623265, 1288081, 3864243, 6440405, 19321215]

約数ペア:

[(1, 19321215), (3, 6440405), (5, 3864243), (15, 1288081), (31, 623265), (37, 522195), (93, 207755), (111, 174065), (155, 124653), (185, 104439), (465, 41551), (555, 34813), (1123, 17205), (1147, 16845), (3369, 5735), (3441, 5615)]