19871826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2381}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 43219008

約数和(自身を除く): 23347182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2381, 2782, 4173, 4762, 7143, 8346, 14286, 30953, 61906, 92859, 185718, 254767, 509534, 764301, 1528602, 3311971, 6623942, 9935913, 19871826]

約数ペア:

[(1, 19871826), (2, 9935913), (3, 6623942), (6, 3311971), (13, 1528602), (26, 764301), (39, 509534), (78, 254767), (107, 185718), (214, 92859), (321, 61906), (642, 30953), (1391, 14286), (2381, 8346), (2782, 7143), (4173, 4762)]