18288990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 50059152

約数和(自身を除く): 31770162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 162, 201, 270, 335, 337, 402, 405, 603, 670, 674, 810, 1005, 1011, 1206, 1685, 1809, 2010, 2022, 3015, 3033, 3370, 3618, 5055, 5427, 6030, 6066, 9045, 9099, 10110, 10854, 15165, 18090, 18198, 22579, 27135, 27297, 30330, 45158, 45495, 54270, 54594, 67737, 90990, 112895, 135474, 136485, 203211, 225790, 272970, 338685, 406422, 609633, 677370, 1016055, 1219266, 1828899, 2032110, 3048165, 3657798, 6096330, 9144495, 18288990]

約数ペア:

[(1, 18288990), (2, 9144495), (3, 6096330), (5, 3657798), (6, 3048165), (9, 2032110), (10, 1828899), (15, 1219266), (18, 1016055), (27, 677370), (30, 609633), (45, 406422), (54, 338685), (67, 272970), (81, 225790), (90, 203211), (134, 136485), (135, 135474), (162, 112895), (201, 90990), (270, 67737), (335, 54594), (337, 54270), (402, 45495), (405, 45158), (603, 30330), (670, 27297), (674, 27135), (810, 22579), (1005, 18198), (1011, 18090), (1206, 15165), (1685, 10854), (1809, 10110), (2010, 9099), (2022, 9045), (3015, 6066), (3033, 6030), (3370, 5427), (3618, 5055)]