19947334

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:756

約数の個数: 24

約数和(自身を含む): 33180840

約数和(自身を除く): 13233506

約数列:

[1, 2, 11, 22, 121, 139, 242, 278, 593, 1186, 1529, 3058, 6523, 13046, 16819, 33638, 71753, 82427, 143506, 164854, 906697, 1813394, 9973667, 19947334]

約数ペア:

[(1, 19947334), (2, 9973667), (11, 1813394), (22, 906697), (121, 164854), (139, 143506), (242, 82427), (278, 71753), (593, 33638), (1186, 16819), (1529, 13046), (3058, 6523)]