19965933

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 32714528

約数和(自身を除く): 12748595

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 283, 351, 603, 849, 871, 1053, 1809, 2547, 2613, 3679, 5427, 7641, 7839, 11037, 18961, 22923, 23517, 33111, 56883, 70551, 99333, 170649, 246493, 297999, 511947, 739479, 1535841, 2218437, 6655311, 19965933]

約数ペア:

[(1, 19965933), (3, 6655311), (9, 2218437), (13, 1535841), (27, 739479), (39, 511947), (67, 297999), (81, 246493), (117, 170649), (201, 99333), (283, 70551), (351, 56883), (603, 33111), (849, 23517), (871, 22923), (1053, 18961), (1809, 11037), (2547, 7839), (2613, 7641), (3679, 5427)]