18966699

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 28525952

約数和(自身を除く): 9559253

約数列:

[1, 3, 9, 31, 93, 157, 279, 433, 471, 1299, 1413, 3897, 4867, 13423, 14601, 40269, 43803, 67981, 120807, 203943, 611829, 2107411, 6322233, 18966699]

約数ペア:

[(1, 18966699), (3, 6322233), (9, 2107411), (31, 611829), (93, 203943), (157, 120807), (279, 67981), (433, 43803), (471, 40269), (1299, 14601), (1413, 13423), (3897, 4867)]