18923319

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 9886761

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 809, 1017, 2427, 2599, 7281, 7797, 18607, 23391, 55821, 91417, 167463, 274251, 822753, 2102591, 6307773, 18923319]

約数ペア:

[(1, 18923319), (3, 6307773), (9, 2102591), (23, 822753), (69, 274251), (113, 167463), (207, 91417), (339, 55821), (809, 23391), (1017, 18607), (2427, 7797), (2599, 7281)]