19179986

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 34378752

約数和(自身を除く): 15198766

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 607, 854, 1214, 2257, 4249, 4514, 8498, 15799, 22459, 31598, 37027, 44918, 74054, 157213, 259189, 314426, 518378, 1369999, 2739998, 9589993, 19179986]

約数ペア:

[(1, 19179986), (2, 9589993), (7, 2739998), (14, 1369999), (37, 518378), (61, 314426), (74, 259189), (122, 157213), (259, 74054), (427, 44918), (518, 37027), (607, 31598), (854, 22459), (1214, 15799), (2257, 8498), (4249, 4514)]