19481500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 43505280

約数和(自身を除く): 24023780

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 829, 940, 1175, 1658, 2350, 3316, 4145, 4700, 5875, 8290, 11750, 16580, 20725, 23500, 38963, 41450, 77926, 82900, 103625, 155852, 194815, 207250, 389630, 414500, 779260, 974075, 1948150, 3896300, 4870375, 9740750, 19481500]

約数ペア:

[(1, 19481500), (2, 9740750), (4, 4870375), (5, 3896300), (10, 1948150), (20, 974075), (25, 779260), (47, 414500), (50, 389630), (94, 207250), (100, 194815), (125, 155852), (188, 103625), (235, 82900), (250, 77926), (470, 41450), (500, 38963), (829, 23500), (940, 20725), (1175, 16580), (1658, 11750), (2350, 8290), (3316, 5875), (4145, 4700)]