19557131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 22049280

約数和(自身を除く): 2492149

約数列:

[1, 11, 43, 173, 239, 473, 1903, 2629, 7439, 10277, 41347, 81829, 113047, 454817, 1777921, 19557131]

約数ペア:

[(1, 19557131), (11, 1777921), (43, 454817), (173, 113047), (239, 81829), (473, 41347), (1903, 10277), (2629, 7439)]