19419738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{248971}}^1$

素因数の和:248989

約数の個数: 16

約数和(自身を含む): 41827296

約数和(自身を除く): 22407558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 248971, 497942, 746913, 1493826, 3236623, 6473246, 9709869, 19419738]

約数ペア:

[(1, 19419738), (2, 9709869), (3, 6473246), (6, 3236623), (13, 1493826), (26, 746913), (39, 497942), (78, 248971)]