19888512

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{151}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 62016000

約数和(自身を除く): 42127488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 151, 168, 192, 196, 224, 294, 302, 336, 343, 384, 392, 448, 453, 588, 604, 672, 686, 784, 896, 906, 1029, 1057, 1176, 1208, 1344, 1372, 1568, 1812, 2058, 2114, 2352, 2416, 2688, 2744, 3136, 3171, 3624, 4116, 4228, 4704, 4832, 5488, 6272, 6342, 7248, 7399, 8232, 8456, 9408, 9664, 10976, 12684, 14496, 14798, 16464, 16912, 18816, 19328, 21952, 22197, 25368, 28992, 29596, 32928, 33824, 43904, 44394, 50736, 51793, 57984, 59192, 65856, 67648, 88788, 101472, 103586, 118384, 131712, 135296, 155379, 177576, 202944, 207172, 236768, 310758, 355152, 405888, 414344, 473536, 621516, 710304, 828688, 947072, 1243032, 1420608, 1657376, 2486064, 2841216, 3314752, 4972128, 6629504, 9944256, 19888512]

約数ペア:

[(1, 19888512), (2, 9944256), (3, 6629504), (4, 4972128), (6, 3314752), (7, 2841216), (8, 2486064), (12, 1657376), (14, 1420608), (16, 1243032), (21, 947072), (24, 828688), (28, 710304), (32, 621516), (42, 473536), (48, 414344), (49, 405888), (56, 355152), (64, 310758), (84, 236768), (96, 207172), (98, 202944), (112, 177576), (128, 155379), (147, 135296), (151, 131712), (168, 118384), (192, 103586), (196, 101472), (224, 88788), (294, 67648), (302, 65856), (336, 59192), (343, 57984), (384, 51793), (392, 50736), (448, 44394), (453, 43904), (588, 33824), (604, 32928), (672, 29596), (686, 28992), (784, 25368), (896, 22197), (906, 21952), (1029, 19328), (1057, 18816), (1176, 16912), (1208, 16464), (1344, 14798), (1372, 14496), (1568, 12684), (1812, 10976), (2058, 9664), (2114, 9408), (2352, 8456), (2416, 8232), (2688, 7399), (2744, 7248), (3136, 6342), (3171, 6272), (3624, 5488), (4116, 4832), (4228, 4704)]