18496918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 34070544

約数和(自身を除く): 15573626

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 137, 187, 209, 274, 323, 361, 374, 418, 646, 722, 1507, 2329, 2603, 3014, 3553, 3971, 4658, 5206, 6137, 7106, 7942, 12274, 25619, 28633, 44251, 49457, 51238, 57266, 67507, 88502, 98914, 135014, 486761, 544027, 840769, 973522, 1088054, 1681538, 9248459, 18496918]

約数ペア:

[(1, 18496918), (2, 9248459), (11, 1681538), (17, 1088054), (19, 973522), (22, 840769), (34, 544027), (38, 486761), (137, 135014), (187, 98914), (209, 88502), (274, 67507), (323, 57266), (361, 51238), (374, 49457), (418, 44251), (646, 28633), (722, 25619), (1507, 12274), (2329, 7942), (2603, 7106), (3014, 6137), (3553, 5206), (3971, 4658)]