19005728

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 49641984

約数和(自身を除く): 30636256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 31, 32, 34, 46, 49, 56, 62, 68, 92, 98, 112, 119, 124, 136, 161, 184, 196, 217, 224, 238, 248, 272, 322, 368, 391, 392, 434, 476, 496, 527, 544, 644, 713, 736, 782, 784, 833, 868, 952, 992, 1054, 1127, 1288, 1426, 1519, 1564, 1568, 1666, 1736, 1904, 2108, 2254, 2576, 2737, 2852, 3038, 3128, 3332, 3472, 3689, 3808, 4216, 4508, 4991, 5152, 5474, 5704, 6076, 6256, 6664, 6944, 7378, 8432, 9016, 9982, 10948, 11408, 12121, 12152, 12512, 13328, 14756, 16864, 18032, 19159, 19964, 21896, 22816, 24242, 24304, 25823, 26656, 29512, 34937, 36064, 38318, 39928, 43792, 48484, 48608, 51646, 59024, 69874, 76636, 79856, 84847, 87584, 96968, 103292, 118048, 139748, 153272, 159712, 169694, 193936, 206584, 279496, 306544, 339388, 387872, 413168, 558992, 593929, 613088, 678776, 826336, 1117984, 1187858, 1357552, 2375716, 2715104, 4751432, 9502864, 19005728]

約数ペア:

[(1, 19005728), (2, 9502864), (4, 4751432), (7, 2715104), (8, 2375716), (14, 1357552), (16, 1187858), (17, 1117984), (23, 826336), (28, 678776), (31, 613088), (32, 593929), (34, 558992), (46, 413168), (49, 387872), (56, 339388), (62, 306544), (68, 279496), (92, 206584), (98, 193936), (112, 169694), (119, 159712), (124, 153272), (136, 139748), (161, 118048), (184, 103292), (196, 96968), (217, 87584), (224, 84847), (238, 79856), (248, 76636), (272, 69874), (322, 59024), (368, 51646), (391, 48608), (392, 48484), (434, 43792), (476, 39928), (496, 38318), (527, 36064), (544, 34937), (644, 29512), (713, 26656), (736, 25823), (782, 24304), (784, 24242), (833, 22816), (868, 21896), (952, 19964), (992, 19159), (1054, 18032), (1127, 16864), (1288, 14756), (1426, 13328), (1519, 12512), (1564, 12152), (1568, 12121), (1666, 11408), (1736, 10948), (1904, 9982), (2108, 9016), (2254, 8432), (2576, 7378), (2737, 6944), (2852, 6664), (3038, 6256), (3128, 6076), (3332, 5704), (3472, 5474), (3689, 5152), (3808, 4991), (4216, 4508)]