18664503

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 29541120

約数和(自身を除く): 10876617

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 313, 417, 429, 939, 1529, 1807, 3443, 4069, 4587, 5421, 10329, 12207, 19877, 43507, 44759, 59631, 130521, 134277, 478577, 565591, 1435731, 1696773, 6221501, 18664503]

約数ペア:

[(1, 18664503), (3, 6221501), (11, 1696773), (13, 1435731), (33, 565591), (39, 478577), (139, 134277), (143, 130521), (313, 59631), (417, 44759), (429, 43507), (939, 19877), (1529, 12207), (1807, 10329), (3443, 5421), (4069, 4587)]