18805884391

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2711}}^1\times {\mathrm{7451}}^1$

素因数の和:10195

約数の個数: 24

約数和(自身を含む): 23039199360

約数和(自身を除く): 4233314969

約数列:

[1, 7, 19, 49, 133, 931, 2711, 7451, 18977, 51509, 52157, 132839, 141569, 360563, 365099, 990983, 2523941, 6936881, 20199661, 141397627, 383793559, 989783389, 2686554913, 18805884391]

約数ペア:

[(1, 18805884391), (7, 2686554913), (19, 989783389), (49, 383793559), (133, 141397627), (931, 20199661), (2711, 6936881), (7451, 2523941), (18977, 990983), (51509, 365099), (52157, 360563), (132839, 141569)]