19439448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 36444072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 461, 502, 753, 922, 1004, 1383, 1506, 1757, 1844, 2008, 2766, 3012, 3227, 3514, 3688, 5271, 5532, 6024, 6454, 7028, 9681, 10542, 11064, 12908, 14056, 19362, 21084, 25816, 38724, 42168, 77448, 115711, 231422, 347133, 462844, 694266, 809977, 925688, 1388532, 1619954, 2429931, 2777064, 3239908, 4859862, 6479816, 9719724, 19439448]

約数ペア:

[(1, 19439448), (2, 9719724), (3, 6479816), (4, 4859862), (6, 3239908), (7, 2777064), (8, 2429931), (12, 1619954), (14, 1388532), (21, 925688), (24, 809977), (28, 694266), (42, 462844), (56, 347133), (84, 231422), (168, 115711), (251, 77448), (461, 42168), (502, 38724), (753, 25816), (922, 21084), (1004, 19362), (1383, 14056), (1506, 12908), (1757, 11064), (1844, 10542), (2008, 9681), (2766, 7028), (3012, 6454), (3227, 6024), (3514, 5532), (3688, 5271)]