19992438

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1069}}^1$

素因数の和:2116

約数の個数: 24

約数和(自身を含む): 43399200

約数和(自身を除く): 23406762

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1069, 2078, 2138, 3117, 3207, 6234, 6414, 9351, 9621, 18702, 19242, 1110691, 2221382, 3332073, 6664146, 9996219, 19992438]

約数ペア:

[(1, 19992438), (2, 9996219), (3, 6664146), (6, 3332073), (9, 2221382), (18, 1110691), (1039, 19242), (1069, 18702), (2078, 9621), (2138, 9351), (3117, 6414), (3207, 6234)]