19691151

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16787}}^1$

素因数の和:16830

約数の個数: 16

約数和(自身を含む): 29009664

約数和(自身を除く): 9318513

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 16787, 50361, 285379, 386101, 856137, 1158303, 6563717, 19691151]

約数ペア:

[(1, 19691151), (3, 6563717), (17, 1158303), (23, 856137), (51, 386101), (69, 285379), (391, 50361), (1173, 16787)]