19493859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{84389}}^1$

素因数の和:84410

約数の個数: 16

約数和(自身を含む): 32405760

約数和(自身を除く): 12911901

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 84389, 253167, 590723, 928279, 1772169, 2784837, 6497953, 19493859]

約数ペア:

[(1, 19493859), (3, 6497953), (7, 2784837), (11, 1772169), (21, 928279), (33, 590723), (77, 253167), (231, 84389)]