1990410431364

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{17783}}^1\times {\mathrm{163637}}^1$

素因数の和:181449

約数の個数: 72

約数和(自身を含む): 5296451509440

約数和(自身を除く): 3306041078076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 17783, 35566, 53349, 71132, 106698, 160047, 163637, 213396, 320094, 327274, 337877, 490911, 640188, 654548, 675754, 981822, 1013631, 1351508, 1472733, 1963644, 2027262, 2945466, 3040893, 3109103, 4054524, 5890932, 6081786, 6218206, 9327309, 12163572, 12436412, 18654618, 27981927, 37309236, 55963854, 111927708, 2909956771, 5819913542, 8729870313, 11639827084, 17459740626, 26189610939, 34919481252, 52379221878, 55289178649, 104758443756, 110578357298, 165867535947, 221156714596, 331735071894, 497602607841, 663470143788, 995205215682, 1990410431364]

約数ペア:

[(1, 1990410431364), (2, 995205215682), (3, 663470143788), (4, 497602607841), (6, 331735071894), (9, 221156714596), (12, 165867535947), (18, 110578357298), (19, 104758443756), (36, 55289178649), (38, 52379221878), (57, 34919481252), (76, 26189610939), (114, 17459740626), (171, 11639827084), (228, 8729870313), (342, 5819913542), (684, 2909956771), (17783, 111927708), (35566, 55963854), (53349, 37309236), (71132, 27981927), (106698, 18654618), (160047, 12436412), (163637, 12163572), (213396, 9327309), (320094, 6218206), (327274, 6081786), (337877, 5890932), (490911, 4054524), (640188, 3109103), (654548, 3040893), (675754, 2945466), (981822, 2027262), (1013631, 1963644), (1351508, 1472733)]