18997214

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:979

約数の個数: 16

約数和(自身を含む): 29183328

約数和(自身を除く): 10186114

約数列:

[1, 2, 53, 106, 277, 554, 647, 1294, 14681, 29362, 34291, 68582, 179219, 358438, 9498607, 18997214]

約数ペア:

[(1, 18997214), (2, 9498607), (53, 358438), (106, 179219), (277, 68582), (554, 34291), (647, 29362), (1294, 14681)]