19021938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{243871}}^1$

素因数の和:243889

約数の個数: 16

約数和(自身を含む): 40970496

約数和(自身を除く): 21948558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 243871, 487742, 731613, 1463226, 3170323, 6340646, 9510969, 19021938]

約数ペア:

[(1, 19021938), (2, 9510969), (3, 6340646), (6, 3170323), (13, 1463226), (26, 731613), (39, 487742), (78, 243871)]