19967496

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 33064824

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 488, 552, 593, 732, 1186, 1403, 1464, 1779, 2372, 2806, 3558, 4209, 4744, 5612, 7116, 8418, 11224, 13639, 14232, 16836, 27278, 33672, 36173, 40917, 54556, 72346, 81834, 108519, 109112, 144692, 163668, 217038, 289384, 327336, 434076, 831979, 868152, 1663958, 2495937, 3327916, 4991874, 6655832, 9983748, 19967496]

約数ペア:

[(1, 19967496), (2, 9983748), (3, 6655832), (4, 4991874), (6, 3327916), (8, 2495937), (12, 1663958), (23, 868152), (24, 831979), (46, 434076), (61, 327336), (69, 289384), (92, 217038), (122, 163668), (138, 144692), (183, 109112), (184, 108519), (244, 81834), (276, 72346), (366, 54556), (488, 40917), (552, 36173), (593, 33672), (732, 27278), (1186, 16836), (1403, 14232), (1464, 13639), (1779, 11224), (2372, 8418), (2806, 7116), (3558, 5612), (4209, 4744)]