18904314

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 44777376

約数和(自身を除く): 25873062

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2003, 3146, 4006, 4719, 6009, 9438, 12018, 22033, 26039, 44066, 52078, 66099, 78117, 132198, 156234, 242363, 286429, 484726, 572858, 727089, 859287, 1454178, 1718574, 3150719, 6301438, 9452157, 18904314]

約数ペア:

[(1, 18904314), (2, 9452157), (3, 6301438), (6, 3150719), (11, 1718574), (13, 1454178), (22, 859287), (26, 727089), (33, 572858), (39, 484726), (66, 286429), (78, 242363), (121, 156234), (143, 132198), (242, 78117), (286, 66099), (363, 52078), (429, 44066), (726, 26039), (858, 22033), (1573, 12018), (2003, 9438), (3146, 6009), (4006, 4719)]