19819386

素因数分解:

$2^1\times 3^2\times {\mathrm{709}}^1\times {\mathrm{1553}}^1$

素因数の和:2270

約数の個数: 24

約数和(自身を含む): 43030260

約数和(自身を除く): 23210874

約数列:

[1, 2, 3, 6, 9, 18, 709, 1418, 1553, 2127, 3106, 4254, 4659, 6381, 9318, 12762, 13977, 27954, 1101077, 2202154, 3303231, 6606462, 9909693, 19819386]

約数ペア:

[(1, 19819386), (2, 9909693), (3, 6606462), (6, 3303231), (9, 2202154), (18, 1101077), (709, 27954), (1418, 13977), (1553, 12762), (2127, 9318), (3106, 6381), (4254, 4659)]