18738841

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21130560

約数和(自身を除く): 2391719

約数列:

[1, 11, 43, 173, 229, 473, 1903, 2519, 7439, 9847, 39617, 81829, 108317, 435787, 1703531, 18738841]

約数ペア:

[(1, 18738841), (11, 1703531), (43, 435787), (173, 108317), (229, 81829), (473, 39617), (1903, 9847), (2519, 7439)]