2215818

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 5705856

約数和(自身を除く): 3490038

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 31, 33, 38, 57, 62, 66, 93, 99, 114, 171, 186, 198, 209, 279, 341, 342, 361, 418, 558, 589, 627, 682, 722, 1023, 1083, 1178, 1254, 1767, 1881, 2046, 2166, 3069, 3249, 3534, 3762, 3971, 5301, 6138, 6479, 6498, 7942, 10602, 11191, 11913, 12958, 19437, 22382, 23826, 33573, 35739, 38874, 58311, 67146, 71478, 100719, 116622, 123101, 201438, 246202, 369303, 738606, 1107909, 2215818]

約数ペア:

[(1, 2215818), (2, 1107909), (3, 738606), (6, 369303), (9, 246202), (11, 201438), (18, 123101), (19, 116622), (22, 100719), (31, 71478), (33, 67146), (38, 58311), (57, 38874), (62, 35739), (66, 33573), (93, 23826), (99, 22382), (114, 19437), (171, 12958), (186, 11913), (198, 11191), (209, 10602), (279, 7942), (341, 6498), (342, 6479), (361, 6138), (418, 5301), (558, 3971), (589, 3762), (627, 3534), (682, 3249), (722, 3069), (1023, 2166), (1083, 2046), (1178, 1881), (1254, 1767)]