17940978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 44933616

約数和(自身を除く): 26992638

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 251, 342, 361, 418, 502, 627, 722, 753, 1083, 1254, 1506, 1881, 2166, 2259, 2761, 3249, 3762, 3971, 4518, 4769, 5522, 6498, 7942, 8283, 9538, 11913, 14307, 16566, 23826, 24849, 28614, 35739, 42921, 49698, 52459, 71478, 85842, 90611, 104918, 157377, 181222, 271833, 314754, 472131, 543666, 815499, 944262, 996721, 1630998, 1993442, 2990163, 5980326, 8970489, 17940978]

約数ペア:

[(1, 17940978), (2, 8970489), (3, 5980326), (6, 2990163), (9, 1993442), (11, 1630998), (18, 996721), (19, 944262), (22, 815499), (33, 543666), (38, 472131), (57, 314754), (66, 271833), (99, 181222), (114, 157377), (171, 104918), (198, 90611), (209, 85842), (251, 71478), (342, 52459), (361, 49698), (418, 42921), (502, 35739), (627, 28614), (722, 24849), (753, 23826), (1083, 16566), (1254, 14307), (1506, 11913), (1881, 9538), (2166, 8283), (2259, 7942), (2761, 6498), (3249, 5522), (3762, 4769), (3971, 4518)]