18422000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 45574464

約数和(自身を除く): 27152464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 151, 200, 244, 250, 302, 305, 400, 488, 500, 604, 610, 755, 976, 1000, 1208, 1220, 1510, 1525, 2000, 2416, 2440, 3020, 3050, 3775, 4880, 6040, 6100, 7550, 7625, 9211, 12080, 12200, 15100, 15250, 18422, 18875, 24400, 30200, 30500, 36844, 37750, 46055, 60400, 61000, 73688, 75500, 92110, 122000, 147376, 151000, 184220, 230275, 302000, 368440, 460550, 736880, 921100, 1151375, 1842200, 2302750, 3684400, 4605500, 9211000, 18422000]

約数ペア:

[(1, 18422000), (2, 9211000), (4, 4605500), (5, 3684400), (8, 2302750), (10, 1842200), (16, 1151375), (20, 921100), (25, 736880), (40, 460550), (50, 368440), (61, 302000), (80, 230275), (100, 184220), (122, 151000), (125, 147376), (151, 122000), (200, 92110), (244, 75500), (250, 73688), (302, 61000), (305, 60400), (400, 46055), (488, 37750), (500, 36844), (604, 30500), (610, 30200), (755, 24400), (976, 18875), (1000, 18422), (1208, 15250), (1220, 15100), (1510, 12200), (1525, 12080), (2000, 9211), (2416, 7625), (2440, 7550), (3020, 6100), (3050, 6040), (3775, 4880)]