18086211

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 32887296

約数和(自身を除く): 14801085

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 47, 69, 99, 117, 141, 143, 169, 207, 253, 299, 423, 429, 507, 517, 611, 759, 897, 1081, 1287, 1521, 1551, 1833, 1859, 2277, 2691, 3243, 3289, 3887, 4653, 5499, 5577, 6721, 7943, 9729, 9867, 11661, 11891, 14053, 16731, 20163, 23829, 29601, 34983, 35673, 42159, 42757, 60489, 71487, 87373, 107019, 126477, 128271, 154583, 182689, 262119, 384813, 463749, 548067, 786357, 1391247, 1644201, 2009579, 6028737, 18086211]

約数ペア:

[(1, 18086211), (3, 6028737), (9, 2009579), (11, 1644201), (13, 1391247), (23, 786357), (33, 548067), (39, 463749), (47, 384813), (69, 262119), (99, 182689), (117, 154583), (141, 128271), (143, 126477), (169, 107019), (207, 87373), (253, 71487), (299, 60489), (423, 42757), (429, 42159), (507, 35673), (517, 34983), (611, 29601), (759, 23829), (897, 20163), (1081, 16731), (1287, 14053), (1521, 11891), (1551, 11661), (1833, 9867), (1859, 9729), (2277, 7943), (2691, 6721), (3243, 5577), (3289, 5499), (3887, 4653)]