19919493

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12981627

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1427, 1551, 4281, 4653, 12843, 13959, 15697, 38529, 47091, 67069, 141273, 201207, 423819, 603621, 737759, 1810863, 2213277, 6639831, 19919493]

約数ペア:

[(1, 19919493), (3, 6639831), (9, 2213277), (11, 1810863), (27, 737759), (33, 603621), (47, 423819), (99, 201207), (141, 141273), (297, 67069), (423, 47091), (517, 38529), (1269, 15697), (1427, 13959), (1551, 12843), (4281, 4653)]