18378889164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{455419}}^1$

素因数の和:455507

約数の個数: 72

約数和(自身を含む): 49731864000

約数和(自身を除く): 31352974836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 531, 684, 708, 1062, 1121, 2124, 2242, 3363, 4484, 6726, 10089, 13452, 20178, 40356, 455419, 910838, 1366257, 1821676, 2732514, 4098771, 5465028, 8197542, 8652961, 16395084, 17305922, 25958883, 26869721, 34611844, 51917766, 53739442, 77876649, 80609163, 103835532, 107478884, 155753298, 161218326, 241827489, 311506596, 322436652, 483654978, 510524699, 967309956, 1021049398, 1531574097, 2042098796, 3063148194, 4594722291, 6126296388, 9189444582, 18378889164]

約数ペア:

[(1, 18378889164), (2, 9189444582), (3, 6126296388), (4, 4594722291), (6, 3063148194), (9, 2042098796), (12, 1531574097), (18, 1021049398), (19, 967309956), (36, 510524699), (38, 483654978), (57, 322436652), (59, 311506596), (76, 241827489), (114, 161218326), (118, 155753298), (171, 107478884), (177, 103835532), (228, 80609163), (236, 77876649), (342, 53739442), (354, 51917766), (531, 34611844), (684, 26869721), (708, 25958883), (1062, 17305922), (1121, 16395084), (2124, 8652961), (2242, 8197542), (3363, 5465028), (4484, 4098771), (6726, 2732514), (10089, 1821676), (13452, 1366257), (20178, 910838), (40356, 455419)]