19856434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8581}}^1$

素因数の和:8685

約数の個数: 16

約数和(自身を含む): 32439960

約数和(自身を除く): 12583526

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8581, 17162, 111553, 223106, 763709, 1527418, 9928217, 19856434]

約数ペア:

[(1, 19856434), (2, 9928217), (13, 1527418), (26, 763709), (89, 223106), (178, 111553), (1157, 17162), (2314, 8581)]