18921000969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{56963}}^1$

素因数の和:57166

約数の個数: 48

約数和(自身を含む): 31351162752

約数和(自身を除く): 12430161783

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 167, 221, 501, 663, 1503, 1989, 2171, 2839, 6513, 8517, 19539, 25551, 36907, 56963, 110721, 170889, 332163, 512667, 740519, 968371, 2221557, 2905113, 6664671, 8715339, 9512821, 12588823, 28538463, 37766469, 85615389, 113299407, 123666673, 161717957, 371000019, 485153871, 1113000057, 1455461613, 2102333441, 6307000323, 18921000969]

約数ペア:

[(1, 18921000969), (3, 6307000323), (9, 2102333441), (13, 1455461613), (17, 1113000057), (39, 485153871), (51, 371000019), (117, 161717957), (153, 123666673), (167, 113299407), (221, 85615389), (501, 37766469), (663, 28538463), (1503, 12588823), (1989, 9512821), (2171, 8715339), (2839, 6664671), (6513, 2905113), (8517, 2221557), (19539, 968371), (25551, 740519), (36907, 512667), (56963, 332163), (110721, 170889)]