18768255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6691}}^1$

素因数の和:6727

約数の個数: 32

約数和(自身を含む): 34691328

約数和(自身を除く): 15923073

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6691, 20073, 33455, 73601, 100365, 113747, 220803, 341241, 368005, 568735, 1104015, 1251217, 1706205, 3753651, 6256085, 18768255]

約数ペア:

[(1, 18768255), (3, 6256085), (5, 3753651), (11, 1706205), (15, 1251217), (17, 1104015), (33, 568735), (51, 368005), (55, 341241), (85, 220803), (165, 113747), (187, 100365), (255, 73601), (561, 33455), (935, 20073), (2805, 6691)]