19918426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7129}}^1$

素因数の和:7269

約数の個数: 16

約数和(自身を含む): 32855040

約数和(自身を除く): 12936614

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7129, 14258, 78419, 156838, 905383, 1810766, 9959213, 19918426]

約数ペア:

[(1, 19918426), (2, 9959213), (11, 1810766), (22, 905383), (127, 156838), (254, 78419), (1397, 14258), (2794, 7129)]