19774774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5147}}^1$

素因数の和:5279

約数の個数: 16

約数和(自身を含む): 31691088

約数和(自身を除く): 11916314

約数列:

[1, 2, 17, 34, 113, 226, 1921, 3842, 5147, 10294, 87499, 174998, 581611, 1163222, 9887387, 19774774]

約数ペア:

[(1, 19774774), (2, 9887387), (17, 1163222), (34, 581611), (113, 174998), (226, 87499), (1921, 10294), (3842, 5147)]