18990249

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 26604672

約数和(自身を除く): 7614423

約数列:

[1, 3, 23, 69, 157, 471, 1753, 3611, 5259, 10833, 40319, 120957, 275221, 825663, 6330083, 18990249]

約数ペア:

[(1, 18990249), (3, 6330083), (23, 825663), (69, 275221), (157, 120957), (471, 40319), (1753, 10833), (3611, 5259)]