19937302

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 18366698

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3499, 5698, 6998, 24493, 38489, 48986, 76978, 129463, 258926, 269423, 538846, 906241, 1424093, 1812482, 2848186, 9968651, 19937302]

約数ペア:

[(1, 19937302), (2, 9968651), (7, 2848186), (11, 1812482), (14, 1424093), (22, 906241), (37, 538846), (74, 269423), (77, 258926), (154, 129463), (259, 76978), (407, 48986), (518, 38489), (814, 24493), (2849, 6998), (3499, 5698)]