18865329

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28979}}^1$

素因数の和:29020

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 10810191

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28979, 86937, 202853, 608559, 898349, 2695047, 6288443, 18865329]

約数ペア:

[(1, 18865329), (3, 6288443), (7, 2695047), (21, 898349), (31, 608559), (93, 202853), (217, 86937), (651, 28979)]