18947918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3761}}^1$

素因数の和:4003

約数の個数: 16

約数和(自身を含む): 31149360

約数和(自身を除く): 12201442

約数列:

[1, 2, 11, 22, 229, 458, 2519, 3761, 5038, 7522, 41371, 82742, 861269, 1722538, 9473959, 18947918]

約数ペア:

[(1, 18947918), (2, 9473959), (11, 1722538), (22, 861269), (229, 82742), (458, 41371), (2519, 7522), (3761, 5038)]