19511856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1523

約数の個数: 120

約数和(自身を含む): 67252640

約数和(自身を除く): 47740784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1489, 1638, 1872, 2184, 2978, 3276, 4368, 4467, 5956, 6552, 8934, 10423, 11912, 13104, 13401, 17868, 19357, 20846, 23824, 26802, 31269, 35736, 38714, 41692, 53604, 58071, 62538, 71472, 77428, 83384, 93807, 107208, 116142, 125076, 135499, 154856, 166768, 174213, 187614, 214416, 232284, 250152, 270998, 309712, 348426, 375228, 406497, 464568, 500304, 541996, 696852, 750456, 812994, 929136, 1083992, 1219491, 1393704, 1500912, 1625988, 2167984, 2438982, 2787408, 3251976, 4877964, 6503952, 9755928, 19511856]

約数ペア:

[(1, 19511856), (2, 9755928), (3, 6503952), (4, 4877964), (6, 3251976), (7, 2787408), (8, 2438982), (9, 2167984), (12, 1625988), (13, 1500912), (14, 1393704), (16, 1219491), (18, 1083992), (21, 929136), (24, 812994), (26, 750456), (28, 696852), (36, 541996), (39, 500304), (42, 464568), (48, 406497), (52, 375228), (56, 348426), (63, 309712), (72, 270998), (78, 250152), (84, 232284), (91, 214416), (104, 187614), (112, 174213), (117, 166768), (126, 154856), (144, 135499), (156, 125076), (168, 116142), (182, 107208), (208, 93807), (234, 83384), (252, 77428), (273, 71472), (312, 62538), (336, 58071), (364, 53604), (468, 41692), (504, 38714), (546, 35736), (624, 31269), (728, 26802), (819, 23824), (936, 20846), (1008, 19357), (1092, 17868), (1456, 13401), (1489, 13104), (1638, 11912), (1872, 10423), (2184, 8934), (2978, 6552), (3276, 5956), (4368, 4467)]