19759016

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18732184

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 809, 1618, 3053, 3236, 6106, 6472, 12212, 24424, 34787, 57439, 69574, 114878, 139148, 229756, 278296, 459512, 2469877, 4939754, 9879508, 19759016]

約数ペア:

[(1, 19759016), (2, 9879508), (4, 4939754), (8, 2469877), (43, 459512), (71, 278296), (86, 229756), (142, 139148), (172, 114878), (284, 69574), (344, 57439), (568, 34787), (809, 24424), (1618, 12212), (3053, 6472), (3236, 6106)]