19068273

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{967}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 31611008

約数和(自身を除く): 12542735

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 967, 2191, 2817, 2901, 6573, 6769, 8703, 19719, 20307, 60921, 302671, 908013, 2118697, 2724039, 6356091, 19068273]

約数ペア:

[(1, 19068273), (3, 6356091), (7, 2724039), (9, 2118697), (21, 908013), (63, 302671), (313, 60921), (939, 20307), (967, 19719), (2191, 8703), (2817, 6769), (2901, 6573)]