18940653

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 28075008

約数和(自身を除く): 9134355

約数列:

[1, 3, 9, 73, 127, 219, 227, 381, 657, 681, 1143, 2043, 9271, 16571, 27813, 28829, 49713, 83439, 86487, 149139, 259461, 2104517, 6313551, 18940653]

約数ペア:

[(1, 18940653), (3, 6313551), (9, 2104517), (73, 259461), (127, 149139), (219, 86487), (227, 83439), (381, 49713), (657, 28829), (681, 27813), (1143, 16571), (2043, 9271)]