18550000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 52309152

約数和(自身を除く): 33759152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 125, 140, 175, 200, 212, 250, 265, 280, 350, 371, 400, 424, 500, 530, 560, 625, 700, 742, 848, 875, 1000, 1060, 1250, 1325, 1400, 1484, 1750, 1855, 2000, 2120, 2500, 2650, 2800, 2968, 3125, 3500, 3710, 4240, 4375, 5000, 5300, 5936, 6250, 6625, 7000, 7420, 8750, 9275, 10000, 10600, 12500, 13250, 14000, 14840, 17500, 18550, 21200, 21875, 25000, 26500, 29680, 33125, 35000, 37100, 43750, 46375, 50000, 53000, 66250, 70000, 74200, 87500, 92750, 106000, 132500, 148400, 165625, 175000, 185500, 231875, 265000, 331250, 350000, 371000, 463750, 530000, 662500, 742000, 927500, 1159375, 1325000, 1855000, 2318750, 2650000, 3710000, 4637500, 9275000, 18550000]

約数ペア:

[(1, 18550000), (2, 9275000), (4, 4637500), (5, 3710000), (7, 2650000), (8, 2318750), (10, 1855000), (14, 1325000), (16, 1159375), (20, 927500), (25, 742000), (28, 662500), (35, 530000), (40, 463750), (50, 371000), (53, 350000), (56, 331250), (70, 265000), (80, 231875), (100, 185500), (106, 175000), (112, 165625), (125, 148400), (140, 132500), (175, 106000), (200, 92750), (212, 87500), (250, 74200), (265, 70000), (280, 66250), (350, 53000), (371, 50000), (400, 46375), (424, 43750), (500, 37100), (530, 35000), (560, 33125), (625, 29680), (700, 26500), (742, 25000), (848, 21875), (875, 21200), (1000, 18550), (1060, 17500), (1250, 14840), (1325, 14000), (1400, 13250), (1484, 12500), (1750, 10600), (1855, 10000), (2000, 9275), (2120, 8750), (2500, 7420), (2650, 7000), (2800, 6625), (2968, 6250), (3125, 5936), (3500, 5300), (3710, 5000), (4240, 4375)]