19864192

素因数分解:

$2^7\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 39780000

約数和(自身を除く): 19915808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 311, 499, 622, 998, 1244, 1996, 2488, 3992, 4976, 7984, 9952, 15968, 19904, 31936, 39808, 63872, 155189, 310378, 620756, 1241512, 2483024, 4966048, 9932096, 19864192]

約数ペア:

[(1, 19864192), (2, 9932096), (4, 4966048), (8, 2483024), (16, 1241512), (32, 620756), (64, 310378), (128, 155189), (311, 63872), (499, 39808), (622, 31936), (998, 19904), (1244, 15968), (1996, 9952), (2488, 7984), (3992, 4976)]