19880418

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144061}}^1$

素因数の和:144089

約数の個数: 16

約数和(自身を含む): 41489856

約数和(自身を除く): 21609438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144061, 288122, 432183, 864366, 3313403, 6626806, 9940209, 19880418]

約数ペア:

[(1, 19880418), (2, 9940209), (3, 6626806), (6, 3313403), (23, 864366), (46, 432183), (69, 288122), (138, 144061)]