19375616

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 23934112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 71, 82, 104, 128, 142, 164, 208, 256, 284, 328, 416, 512, 533, 568, 656, 832, 923, 1066, 1136, 1312, 1664, 1846, 2132, 2272, 2624, 2911, 3328, 3692, 4264, 4544, 5248, 5822, 6656, 7384, 8528, 9088, 10496, 11644, 14768, 17056, 18176, 20992, 23288, 29536, 34112, 36352, 37843, 46576, 59072, 68224, 75686, 93152, 118144, 136448, 151372, 186304, 236288, 272896, 302744, 372608, 472576, 605488, 745216, 1210976, 1490432, 2421952, 4843904, 9687808, 19375616]

約数ペア:

[(1, 19375616), (2, 9687808), (4, 4843904), (8, 2421952), (13, 1490432), (16, 1210976), (26, 745216), (32, 605488), (41, 472576), (52, 372608), (64, 302744), (71, 272896), (82, 236288), (104, 186304), (128, 151372), (142, 136448), (164, 118144), (208, 93152), (256, 75686), (284, 68224), (328, 59072), (416, 46576), (512, 37843), (533, 36352), (568, 34112), (656, 29536), (832, 23288), (923, 20992), (1066, 18176), (1136, 17056), (1312, 14768), (1664, 11644), (1846, 10496), (2132, 9088), (2272, 8528), (2624, 7384), (2911, 6656), (3328, 5822), (3692, 5248), (4264, 4544)]