19715178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 46597824

約数和(自身を除く): 26882646

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 107, 123, 214, 246, 287, 321, 574, 642, 749, 861, 1498, 1722, 2247, 4387, 4494, 8774, 11449, 13161, 22898, 26322, 30709, 34347, 61418, 68694, 80143, 92127, 160286, 184254, 240429, 469409, 480858, 938818, 1408227, 2816454, 3285863, 6571726, 9857589, 19715178]

約数ペア:

[(1, 19715178), (2, 9857589), (3, 6571726), (6, 3285863), (7, 2816454), (14, 1408227), (21, 938818), (41, 480858), (42, 469409), (82, 240429), (107, 184254), (123, 160286), (214, 92127), (246, 80143), (287, 68694), (321, 61418), (574, 34347), (642, 30709), (749, 26322), (861, 22898), (1498, 13161), (1722, 11449), (2247, 8774), (4387, 4494)]