18970936

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{64091}}^1$

素因数の和:64134

約数の個数: 16

約数和(自身を含む): 36532440

約数和(自身を除く): 17561504

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 64091, 128182, 256364, 512728, 2371367, 4742734, 9485468, 18970936]

約数ペア:

[(1, 18970936), (2, 9485468), (4, 4742734), (8, 2371367), (37, 512728), (74, 256364), (148, 128182), (296, 64091)]