19798416

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 42876144

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 431, 464, 522, 528, 638, 696, 792, 862, 957, 1044, 1276, 1293, 1392, 1584, 1724, 1914, 2088, 2552, 2586, 2871, 3448, 3828, 3879, 4176, 4741, 5104, 5172, 5742, 6896, 7656, 7758, 9482, 10344, 11484, 12499, 14223, 15312, 15516, 18964, 20688, 22968, 24998, 28446, 31032, 37497, 37928, 42669, 45936, 49996, 56892, 62064, 74994, 75856, 85338, 99992, 112491, 113784, 137489, 149988, 170676, 199984, 224982, 227568, 274978, 299976, 341352, 412467, 449964, 549956, 599952, 682704, 824934, 899928, 1099912, 1237401, 1649868, 1799856, 2199824, 2474802, 3299736, 4949604, 6599472, 9899208, 19798416]

約数ペア:

[(1, 19798416), (2, 9899208), (3, 6599472), (4, 4949604), (6, 3299736), (8, 2474802), (9, 2199824), (11, 1799856), (12, 1649868), (16, 1237401), (18, 1099912), (22, 899928), (24, 824934), (29, 682704), (33, 599952), (36, 549956), (44, 449964), (48, 412467), (58, 341352), (66, 299976), (72, 274978), (87, 227568), (88, 224982), (99, 199984), (116, 170676), (132, 149988), (144, 137489), (174, 113784), (176, 112491), (198, 99992), (232, 85338), (261, 75856), (264, 74994), (319, 62064), (348, 56892), (396, 49996), (431, 45936), (464, 42669), (522, 37928), (528, 37497), (638, 31032), (696, 28446), (792, 24998), (862, 22968), (957, 20688), (1044, 18964), (1276, 15516), (1293, 15312), (1392, 14223), (1584, 12499), (1724, 11484), (1914, 10344), (2088, 9482), (2552, 7758), (2586, 7656), (2871, 6896), (3448, 5742), (3828, 5172), (3879, 5104), (4176, 4741)]