19430554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67939}}^1$

素因数の和:67965

約数の個数: 16

約数和(自身を含む): 34241760

約数和(自身を除く): 14811206

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67939, 135878, 747329, 883207, 1494658, 1766414, 9715277, 19430554]

約数ペア:

[(1, 19430554), (2, 9715277), (11, 1766414), (13, 1494658), (22, 883207), (26, 747329), (143, 135878), (286, 67939)]