19726289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 2530351

約数列:

[1, 11, 41, 191, 229, 451, 2101, 2519, 7831, 9389, 43739, 86141, 103279, 481129, 1793299, 19726289]

約数ペア:

[(1, 19726289), (11, 1793299), (41, 481129), (191, 103279), (229, 86141), (451, 43739), (2101, 9389), (2519, 7831)]