18157037180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2269}}^1\times {\mathrm{8513}}^1$

素因数の和:10838

約数の個数: 48

約数和(自身を含む): 38962788480

約数和(自身を除く): 20805751300

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2269, 4538, 8513, 9076, 11345, 17026, 22690, 34052, 42565, 45380, 85130, 106643, 170260, 213286, 400111, 426572, 533215, 800222, 1066430, 1600444, 2000555, 2132860, 4001110, 8002220, 19315997, 38631994, 77263988, 96579985, 193159970, 386319940, 907851859, 1815703718, 3631407436, 4539259295, 9078518590, 18157037180]

約数ペア:

[(1, 18157037180), (2, 9078518590), (4, 4539259295), (5, 3631407436), (10, 1815703718), (20, 907851859), (47, 386319940), (94, 193159970), (188, 96579985), (235, 77263988), (470, 38631994), (940, 19315997), (2269, 8002220), (4538, 4001110), (8513, 2132860), (9076, 2000555), (11345, 1600444), (17026, 1066430), (22690, 800222), (34052, 533215), (42565, 426572), (45380, 400111), (85130, 213286), (106643, 170260)]