19999718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{14347}}^1$

素因数の和:14407

約数の個数: 16

約数和(自身を含む): 32541264

約数和(自身を除く): 12541546

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 14347, 28694, 243899, 487798, 588227, 1176454, 9999859, 19999718]

約数ペア:

[(1, 19999718), (2, 9999859), (17, 1176454), (34, 588227), (41, 487798), (82, 243899), (697, 28694), (1394, 14347)]