19690137

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 30232800

約数和(自身を除く): 10542663

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1019, 2147, 3057, 6441, 9171, 19323, 19361, 58083, 115147, 174249, 345441, 1036323, 2187793, 6563379, 19690137]

約数ペア:

[(1, 19690137), (3, 6563379), (9, 2187793), (19, 1036323), (57, 345441), (113, 174249), (171, 115147), (339, 58083), (1017, 19361), (1019, 19323), (2147, 9171), (3057, 6441)]