18357920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 51020928

約数和(自身を除く): 32663008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 443, 518, 560, 592, 740, 886, 1036, 1120, 1184, 1295, 1480, 1772, 2072, 2215, 2590, 2960, 3101, 3544, 4144, 4430, 5180, 5920, 6202, 7088, 8288, 8860, 10360, 12404, 14176, 15505, 16391, 17720, 20720, 24808, 31010, 32782, 35440, 41440, 49616, 62020, 65564, 70880, 81955, 99232, 114737, 124040, 131128, 163910, 229474, 248080, 262256, 327820, 458948, 496160, 524512, 573685, 655640, 917896, 1147370, 1311280, 1835792, 2294740, 2622560, 3671584, 4589480, 9178960, 18357920]

約数ペア:

[(1, 18357920), (2, 9178960), (4, 4589480), (5, 3671584), (7, 2622560), (8, 2294740), (10, 1835792), (14, 1311280), (16, 1147370), (20, 917896), (28, 655640), (32, 573685), (35, 524512), (37, 496160), (40, 458948), (56, 327820), (70, 262256), (74, 248080), (80, 229474), (112, 163910), (140, 131128), (148, 124040), (160, 114737), (185, 99232), (224, 81955), (259, 70880), (280, 65564), (296, 62020), (370, 49616), (443, 41440), (518, 35440), (560, 32782), (592, 31010), (740, 24808), (886, 20720), (1036, 17720), (1120, 16391), (1184, 15505), (1295, 14176), (1480, 12404), (1772, 10360), (2072, 8860), (2215, 8288), (2590, 7088), (2960, 6202), (3101, 5920), (3544, 5180), (4144, 4430)]