19489774

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 29776320

約数和(自身を除く): 10286546

約数列:

[1, 2, 79, 158, 293, 421, 586, 842, 23147, 33259, 46294, 66518, 123353, 246706, 9744887, 19489774]

約数ペア:

[(1, 19489774), (2, 9744887), (79, 246706), (158, 123353), (293, 66518), (421, 46294), (586, 33259), (842, 23147)]