19768419

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{857}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 31320432

約数和(自身を除く): 11552013

約数列:

[1, 3, 9, 11, 33, 99, 233, 699, 857, 2097, 2563, 2571, 7689, 7713, 9427, 23067, 28281, 84843, 199681, 599043, 1797129, 2196491, 6589473, 19768419]

約数ペア:

[(1, 19768419), (3, 6589473), (9, 2196491), (11, 1797129), (33, 599043), (99, 199681), (233, 84843), (699, 28281), (857, 23067), (2097, 9427), (2563, 7713), (2571, 7689)]