19177821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8627}}^1$

素因数の和:8665

約数の個数: 24

約数和(自身を含む): 31405920

約数和(自身を除く): 12228099

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8627, 25881, 77643, 112151, 163913, 336453, 491739, 1009359, 1475217, 2130869, 6392607, 19177821]

約数ペア:

[(1, 19177821), (3, 6392607), (9, 2130869), (13, 1475217), (19, 1009359), (39, 491739), (57, 336453), (117, 163913), (171, 112151), (247, 77643), (741, 25881), (2223, 8627)]