19489001

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 22923648

約数和(自身を除く): 3434647

約数列:

[1, 7, 53, 131, 371, 401, 917, 2807, 6943, 21253, 48601, 52531, 148771, 367717, 2784143, 19489001]

約数ペア:

[(1, 19489001), (7, 2784143), (53, 367717), (131, 148771), (371, 52531), (401, 48601), (917, 21253), (2807, 6943)]