18979037

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7951}}^1$

素因数の和:8000

約数の個数: 16

約数和(自身を含む): 24428544

約数和(自身を除く): 5449507

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 7951, 55657, 87461, 246481, 612227, 1725367, 2711291, 18979037]

約数ペア:

[(1, 18979037), (7, 2711291), (11, 1725367), (31, 612227), (77, 246481), (217, 87461), (341, 55657), (2387, 7951)]