18156866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 34043520

約数和(自身を除く): 15886654

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1489, 1742, 2978, 6097, 10423, 12194, 19357, 20846, 38714, 99763, 135499, 199526, 270998, 698341, 1296919, 1396682, 2593838, 9078433, 18156866]

約数ペア:

[(1, 18156866), (2, 9078433), (7, 2593838), (13, 1396682), (14, 1296919), (26, 698341), (67, 270998), (91, 199526), (134, 135499), (182, 99763), (469, 38714), (871, 20846), (938, 19357), (1489, 12194), (1742, 10423), (2978, 6097)]