201819748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{569}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 402192000

約数和(自身を除く): 200372252

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 359, 494, 569, 718, 988, 1138, 1436, 2276, 4667, 6821, 7397, 9334, 10811, 13642, 14794, 18668, 21622, 27284, 29588, 43244, 88673, 140543, 177346, 204271, 281086, 354692, 408542, 562172, 817084, 2655523, 3881149, 5311046, 7762298, 10622092, 15524596, 50454937, 100909874, 201819748]

約数ペア:

[(1, 201819748), (2, 100909874), (4, 50454937), (13, 15524596), (19, 10622092), (26, 7762298), (38, 5311046), (52, 3881149), (76, 2655523), (247, 817084), (359, 562172), (494, 408542), (569, 354692), (718, 281086), (988, 204271), (1138, 177346), (1436, 140543), (2276, 88673), (4667, 43244), (6821, 29588), (7397, 27284), (9334, 21622), (10811, 18668), (13642, 14794)]