19871138

素因数分解:

$2^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2293}}^1$

素因数の和:2921

約数の個数: 16

約数和(自身を含む): 34134720

約数和(自身を除く): 14263582

約数列:

[1, 2, 7, 14, 619, 1238, 2293, 4333, 4586, 8666, 16051, 32102, 1419367, 2838734, 9935569, 19871138]

約数ペア:

[(1, 19871138), (2, 9935569), (7, 2838734), (14, 1419367), (619, 32102), (1238, 16051), (2293, 8666), (4333, 4586)]