19042215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1321}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 31505904

約数和(自身を除く): 12463689

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1321, 2883, 3963, 4805, 6605, 14415, 19815, 40951, 122853, 204755, 614265, 1269481, 3808443, 6347405, 19042215]

約数ペア:

[(1, 19042215), (3, 6347405), (5, 3808443), (15, 1269481), (31, 614265), (93, 204755), (155, 122853), (465, 40951), (961, 19815), (1321, 14415), (2883, 6605), (3963, 4805)]