19717738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4657}}^1$

素因数の和:4761

約数の個数: 16

約数和(自身を含む): 31022280

約数和(自身を除く): 11304542

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4657, 9314, 135053, 270106, 339961, 679922, 9858869, 19717738]

約数ペア:

[(1, 19717738), (2, 9858869), (29, 679922), (58, 339961), (73, 270106), (146, 135053), (2117, 9314), (4234, 4657)]