19056128

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 46976160

約数和(自身を除く): 27920032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 409, 416, 448, 512, 728, 818, 832, 896, 1456, 1636, 1664, 1792, 2863, 2912, 3272, 3328, 3584, 5317, 5726, 5824, 6544, 6656, 10634, 11452, 11648, 13088, 21268, 22904, 23296, 26176, 37219, 42536, 45808, 46592, 52352, 74438, 85072, 91616, 104704, 148876, 170144, 183232, 209408, 297752, 340288, 366464, 595504, 680576, 732928, 1191008, 1361152, 1465856, 2382016, 2722304, 4764032, 9528064, 19056128]

約数ペア:

[(1, 19056128), (2, 9528064), (4, 4764032), (7, 2722304), (8, 2382016), (13, 1465856), (14, 1361152), (16, 1191008), (26, 732928), (28, 680576), (32, 595504), (52, 366464), (56, 340288), (64, 297752), (91, 209408), (104, 183232), (112, 170144), (128, 148876), (182, 104704), (208, 91616), (224, 85072), (256, 74438), (364, 52352), (409, 46592), (416, 45808), (448, 42536), (512, 37219), (728, 26176), (818, 23296), (832, 22904), (896, 21268), (1456, 13088), (1636, 11648), (1664, 11452), (1792, 10634), (2863, 6656), (2912, 6544), (3272, 5824), (3328, 5726), (3584, 5317)]