18017491

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 19706400

約数和(自身を除く): 1688909

約数列:

[1, 19, 41, 101, 229, 779, 1919, 4141, 4351, 9389, 23129, 78679, 178391, 439451, 948289, 18017491]

約数ペア:

[(1, 18017491), (19, 948289), (41, 439451), (101, 178391), (229, 78679), (779, 23129), (1919, 9389), (4141, 4351)]