19221972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 37677612

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 71, 77, 84, 132, 142, 154, 213, 231, 284, 293, 308, 426, 462, 497, 586, 781, 852, 879, 924, 994, 1172, 1491, 1562, 1758, 1988, 2051, 2343, 2982, 3124, 3223, 3516, 4102, 4686, 5467, 5964, 6153, 6446, 8204, 9372, 9669, 10934, 12306, 12892, 16401, 19338, 20803, 21868, 22561, 24612, 32802, 38676, 41606, 45122, 62409, 65604, 67683, 83212, 90244, 124818, 135366, 145621, 228833, 249636, 270732, 291242, 436863, 457666, 582484, 686499, 873726, 915332, 1372998, 1601831, 1747452, 2745996, 3203662, 4805493, 6407324, 9610986, 19221972]

約数ペア:

[(1, 19221972), (2, 9610986), (3, 6407324), (4, 4805493), (6, 3203662), (7, 2745996), (11, 1747452), (12, 1601831), (14, 1372998), (21, 915332), (22, 873726), (28, 686499), (33, 582484), (42, 457666), (44, 436863), (66, 291242), (71, 270732), (77, 249636), (84, 228833), (132, 145621), (142, 135366), (154, 124818), (213, 90244), (231, 83212), (284, 67683), (293, 65604), (308, 62409), (426, 45122), (462, 41606), (497, 38676), (586, 32802), (781, 24612), (852, 22561), (879, 21868), (924, 20803), (994, 19338), (1172, 16401), (1491, 12892), (1562, 12306), (1758, 10934), (1988, 9669), (2051, 9372), (2343, 8204), (2982, 6446), (3124, 6153), (3223, 5964), (3516, 5467), (4102, 4686)]