19878144

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 62497344

約数和(自身を除く): 42619200

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 181, 192, 208, 256, 264, 286, 312, 352, 362, 384, 416, 429, 528, 543, 572, 624, 704, 724, 768, 832, 858, 1056, 1086, 1144, 1248, 1408, 1448, 1664, 1716, 1991, 2112, 2172, 2288, 2353, 2496, 2816, 2896, 3328, 3432, 3982, 4224, 4344, 4576, 4706, 4992, 5792, 5973, 6864, 7059, 7964, 8448, 8688, 9152, 9412, 9984, 11584, 11946, 13728, 14118, 15928, 17376, 18304, 18824, 23168, 23892, 25883, 27456, 28236, 31856, 34752, 36608, 37648, 46336, 47784, 51766, 54912, 56472, 63712, 69504, 75296, 77649, 95568, 103532, 109824, 112944, 127424, 139008, 150592, 155298, 191136, 207064, 225888, 254848, 301184, 310596, 382272, 414128, 451776, 509696, 602368, 621192, 764544, 828256, 903552, 1242384, 1529088, 1656512, 1807104, 2484768, 3313024, 4969536, 6626048, 9939072, 19878144]

約数ペア:

[(1, 19878144), (2, 9939072), (3, 6626048), (4, 4969536), (6, 3313024), (8, 2484768), (11, 1807104), (12, 1656512), (13, 1529088), (16, 1242384), (22, 903552), (24, 828256), (26, 764544), (32, 621192), (33, 602368), (39, 509696), (44, 451776), (48, 414128), (52, 382272), (64, 310596), (66, 301184), (78, 254848), (88, 225888), (96, 207064), (104, 191136), (128, 155298), (132, 150592), (143, 139008), (156, 127424), (176, 112944), (181, 109824), (192, 103532), (208, 95568), (256, 77649), (264, 75296), (286, 69504), (312, 63712), (352, 56472), (362, 54912), (384, 51766), (416, 47784), (429, 46336), (528, 37648), (543, 36608), (572, 34752), (624, 31856), (704, 28236), (724, 27456), (768, 25883), (832, 23892), (858, 23168), (1056, 18824), (1086, 18304), (1144, 17376), (1248, 15928), (1408, 14118), (1448, 13728), (1664, 11946), (1716, 11584), (1991, 9984), (2112, 9412), (2172, 9152), (2288, 8688), (2353, 8448), (2496, 7964), (2816, 7059), (2896, 6864), (3328, 5973), (3432, 5792), (3982, 4992), (4224, 4706), (4344, 4576)]