19381376

素因数分解:

$2^7\times 7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 44782080

約数和(自身を除く): 25400704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 223, 224, 388, 446, 448, 679, 776, 892, 896, 1358, 1552, 1561, 1784, 2716, 3104, 3122, 3568, 5432, 6208, 6244, 7136, 10864, 12416, 12488, 14272, 21631, 21728, 24976, 28544, 43262, 43456, 49952, 86524, 86912, 99904, 151417, 173048, 199808, 302834, 346096, 605668, 692192, 1211336, 1384384, 2422672, 2768768, 4845344, 9690688, 19381376]

約数ペア:

[(1, 19381376), (2, 9690688), (4, 4845344), (7, 2768768), (8, 2422672), (14, 1384384), (16, 1211336), (28, 692192), (32, 605668), (56, 346096), (64, 302834), (97, 199808), (112, 173048), (128, 151417), (194, 99904), (223, 86912), (224, 86524), (388, 49952), (446, 43456), (448, 43262), (679, 28544), (776, 24976), (892, 21728), (896, 21631), (1358, 14272), (1552, 12488), (1561, 12416), (1784, 10864), (2716, 7136), (3104, 6244), (3122, 6208), (3568, 5432)]