18136719

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 28016352

約数和(自身を除く): 9879633

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2137, 2829, 6411, 8487, 19233, 49151, 87617, 147453, 262851, 442359, 788553, 2015191, 6045573, 18136719]

約数ペア:

[(1, 18136719), (3, 6045573), (9, 2015191), (23, 788553), (41, 442359), (69, 262851), (123, 147453), (207, 87617), (369, 49151), (943, 19233), (2137, 8487), (2829, 6411)]