2019912345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{13121}}^1$

素因数の和:13454

約数の個数: 48

約数和(自身を含む): 3832043904

約数和(自身を除く): 1812131559

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 311, 495, 933, 1555, 2799, 3421, 4665, 10263, 13121, 13995, 17105, 30789, 39363, 51315, 65605, 118089, 144331, 153945, 196815, 432993, 590445, 721655, 1298979, 2164965, 4080631, 6494895, 12241893, 20403155, 36725679, 44886941, 61209465, 134660823, 183628395, 224434705, 403982469, 673304115, 2019912345]

約数ペア:

[(1, 2019912345), (3, 673304115), (5, 403982469), (9, 224434705), (11, 183628395), (15, 134660823), (33, 61209465), (45, 44886941), (55, 36725679), (99, 20403155), (165, 12241893), (311, 6494895), (495, 4080631), (933, 2164965), (1555, 1298979), (2799, 721655), (3421, 590445), (4665, 432993), (10263, 196815), (13121, 153945), (13995, 144331), (17105, 118089), (30789, 65605), (39363, 51315)]