18494000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1351

約数の個数: 80

約数和(自身を含む): 51145536

約数和(自身を除く): 32651536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1321, 1400, 1750, 2000, 2642, 2800, 3500, 5284, 6605, 7000, 9247, 10568, 13210, 14000, 18494, 21136, 26420, 33025, 36988, 46235, 52840, 66050, 73976, 92470, 105680, 132100, 147952, 165125, 184940, 231175, 264200, 330250, 369880, 462350, 528400, 660500, 739760, 924700, 1155875, 1321000, 1849400, 2311750, 2642000, 3698800, 4623500, 9247000, 18494000]

約数ペア:

[(1, 18494000), (2, 9247000), (4, 4623500), (5, 3698800), (7, 2642000), (8, 2311750), (10, 1849400), (14, 1321000), (16, 1155875), (20, 924700), (25, 739760), (28, 660500), (35, 528400), (40, 462350), (50, 369880), (56, 330250), (70, 264200), (80, 231175), (100, 184940), (112, 165125), (125, 147952), (140, 132100), (175, 105680), (200, 92470), (250, 73976), (280, 66050), (350, 52840), (400, 46235), (500, 36988), (560, 33025), (700, 26420), (875, 21136), (1000, 18494), (1321, 14000), (1400, 13210), (1750, 10568), (2000, 9247), (2642, 7000), (2800, 6605), (3500, 5284)]