18864461

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 24733440

約数和(自身を除く): 5868979

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1129, 1519, 2387, 7903, 12419, 16709, 34999, 55321, 86933, 244993, 384989, 608531, 1714951, 2694923, 18864461]

約数ペア:

[(1, 18864461), (7, 2694923), (11, 1714951), (31, 608531), (49, 384989), (77, 244993), (217, 86933), (341, 55321), (539, 34999), (1129, 16709), (1519, 12419), (2387, 7903)]