19484000

素因数分解:

$2^5\times 5^3\times {\mathrm{4871}}^1$

素因数の和:4896

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 28398016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4871, 9742, 19484, 24355, 38968, 48710, 77936, 97420, 121775, 155872, 194840, 243550, 389680, 487100, 608875, 779360, 974200, 1217750, 1948400, 2435500, 3896800, 4871000, 9742000, 19484000]

約数ペア:

[(1, 19484000), (2, 9742000), (4, 4871000), (5, 3896800), (8, 2435500), (10, 1948400), (16, 1217750), (20, 974200), (25, 779360), (32, 608875), (40, 487100), (50, 389680), (80, 243550), (100, 194840), (125, 155872), (160, 121775), (200, 97420), (250, 77936), (400, 48710), (500, 38968), (800, 24355), (1000, 19484), (2000, 9742), (4000, 4871)]