19428942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{249089}}^1$

素因数の和:249107

約数の個数: 16

約数和(自身を含む): 41847120

約数和(自身を除く): 22418178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 249089, 498178, 747267, 1494534, 3238157, 6476314, 9714471, 19428942]

約数ペア:

[(1, 19428942), (2, 9714471), (3, 6476314), (6, 3238157), (13, 1494534), (26, 747267), (39, 498178), (78, 249089)]