19363617

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 37078272

約数和(自身を除く): 17714655

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 71, 81, 91, 111, 117, 189, 213, 259, 273, 333, 351, 481, 497, 567, 639, 777, 819, 923, 999, 1053, 1443, 1491, 1917, 2331, 2457, 2627, 2769, 2997, 3367, 4329, 4473, 5751, 6461, 6993, 7371, 7881, 8307, 10101, 12987, 13419, 18389, 19383, 20979, 23643, 24921, 30303, 34151, 38961, 40257, 55167, 58149, 70929, 74763, 90909, 102453, 165501, 174447, 212787, 239057, 272727, 307359, 496503, 523341, 717171, 922077, 1489509, 2151513, 2766231, 6454539, 19363617]

約数ペア:

[(1, 19363617), (3, 6454539), (7, 2766231), (9, 2151513), (13, 1489509), (21, 922077), (27, 717171), (37, 523341), (39, 496503), (63, 307359), (71, 272727), (81, 239057), (91, 212787), (111, 174447), (117, 165501), (189, 102453), (213, 90909), (259, 74763), (273, 70929), (333, 58149), (351, 55167), (481, 40257), (497, 38961), (567, 34151), (639, 30303), (777, 24921), (819, 23643), (923, 20979), (999, 19383), (1053, 18389), (1443, 13419), (1491, 12987), (1917, 10101), (2331, 8307), (2457, 7881), (2627, 7371), (2769, 6993), (2997, 6461), (3367, 5751), (4329, 4473)]