18806491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 21390336

約数和(自身を除く): 2583845

約数列:

[1, 11, 31, 131, 341, 421, 1441, 4061, 4631, 13051, 44671, 55151, 143561, 606661, 1709681, 18806491]

約数ペア:

[(1, 18806491), (11, 1709681), (31, 606661), (131, 143561), (341, 55151), (421, 44671), (1441, 13051), (4061, 4631)]