19793774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9887}}^1$

素因数の和:9920

約数の個数: 32

約数和(自身を含む): 39868416

約数和(自身を除く): 20074642

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9887, 19774, 69209, 108757, 128531, 138418, 217514, 257062, 761299, 899717, 1413841, 1522598, 1799434, 2827682, 9896887, 19793774]

約数ペア:

[(1, 19793774), (2, 9896887), (7, 2827682), (11, 1799434), (13, 1522598), (14, 1413841), (22, 899717), (26, 761299), (77, 257062), (91, 217514), (143, 138418), (154, 128531), (182, 108757), (286, 69209), (1001, 19774), (2002, 9887)]