18785956

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12659}}^1$

素因数の和:12723

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 19497884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12659, 25318, 50636, 88613, 177226, 354452, 670927, 1341854, 2683708, 4696489, 9392978, 18785956]

約数ペア:

[(1, 18785956), (2, 9392978), (4, 4696489), (7, 2683708), (14, 1341854), (28, 670927), (53, 354452), (106, 177226), (212, 88613), (371, 50636), (742, 25318), (1484, 12659)]