19147209

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 26066304

約数和(自身を除く): 6919095

約数列:

[1, 3, 71, 213, 241, 373, 723, 1119, 17111, 26483, 51333, 79449, 89893, 269679, 6382403, 19147209]

約数ペア:

[(1, 19147209), (3, 6382403), (71, 269679), (213, 89893), (241, 79449), (373, 51333), (723, 26483), (1119, 17111)]