18985166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4007}}^1$

素因数の和:4135

約数の個数: 16

約数和(自身を含む): 30011904

約数和(自身を除く): 11026738

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4007, 4738, 8014, 92161, 184322, 412721, 825442, 9492583, 18985166]

約数ペア:

[(1, 18985166), (2, 9492583), (23, 825442), (46, 412721), (103, 184322), (206, 92161), (2369, 8014), (4007, 4738)]