19658919

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12689241

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1039, 1113, 2703, 3117, 6307, 7273, 17663, 18921, 21819, 52989, 55067, 123641, 165201, 370923, 385469, 936139, 1156407, 2808417, 6552973, 19658919]

約数ペア:

[(1, 19658919), (3, 6552973), (7, 2808417), (17, 1156407), (21, 936139), (51, 385469), (53, 370923), (119, 165201), (159, 123641), (357, 55067), (371, 52989), (901, 21819), (1039, 18921), (1113, 17663), (2703, 7273), (3117, 6307)]