18923863

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 22697280

約数和(自身を除く): 3773417

約数列:

[1, 7, 29, 73, 203, 511, 1277, 2117, 8939, 14819, 37033, 93221, 259231, 652547, 2703409, 18923863]

約数ペア:

[(1, 18923863), (7, 2703409), (29, 652547), (73, 259231), (203, 93221), (511, 37033), (1277, 14819), (2117, 8939)]