18901498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 16741382

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 883, 973, 1529, 1766, 1946, 3058, 6181, 9713, 10703, 12362, 19426, 21406, 67991, 122737, 135982, 245474, 859159, 1350107, 1718318, 2700214, 9450749, 18901498]

約数ペア:

[(1, 18901498), (2, 9450749), (7, 2700214), (11, 1718318), (14, 1350107), (22, 859159), (77, 245474), (139, 135982), (154, 122737), (278, 67991), (883, 21406), (973, 19426), (1529, 12362), (1766, 10703), (1946, 9713), (3058, 6181)]