18622803

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8956077

約数列:

[1, 3, 17, 37, 51, 71, 111, 139, 213, 417, 629, 1207, 1887, 2363, 2627, 3621, 5143, 7089, 7881, 9869, 15429, 29607, 44659, 87431, 133977, 167773, 262293, 365153, 503319, 1095459, 6207601, 18622803]

約数ペア:

[(1, 18622803), (3, 6207601), (17, 1095459), (37, 503319), (51, 365153), (71, 262293), (111, 167773), (139, 133977), (213, 87431), (417, 44659), (629, 29607), (1207, 15429), (1887, 9869), (2363, 7881), (2627, 7089), (3621, 5143)]