19918434

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5179}}^1$

素因数の和:5825

約数の個数: 16

約数和(自身を含む): 39906720

約数和(自身を除く): 19988286

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5179, 10358, 15537, 31074, 3319739, 6639478, 9959217, 19918434]

約数ペア:

[(1, 19918434), (2, 9959217), (3, 6639478), (6, 3319739), (641, 31074), (1282, 15537), (1923, 10358), (3846, 5179)]