19075749

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 14018907

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 251, 329, 517, 539, 753, 987, 1551, 1617, 1757, 2303, 2761, 3619, 5271, 6909, 8283, 10857, 11797, 12299, 19327, 25333, 35391, 36897, 57981, 75999, 82579, 129767, 135289, 247737, 389301, 405867, 578053, 908369, 1734159, 2725107, 6358583, 19075749]

約数ペア:

[(1, 19075749), (3, 6358583), (7, 2725107), (11, 1734159), (21, 908369), (33, 578053), (47, 405867), (49, 389301), (77, 247737), (141, 135289), (147, 129767), (231, 82579), (251, 75999), (329, 57981), (517, 36897), (539, 35391), (753, 25333), (987, 19327), (1551, 12299), (1617, 11797), (1757, 10857), (2303, 8283), (2761, 6909), (3619, 5271)]