19491393

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 27074880

約数和(自身を除く): 7583487

約数列:

[1, 3, 29, 87, 157, 471, 1427, 4281, 4553, 13659, 41383, 124149, 224039, 672117, 6497131, 19491393]

約数ペア:

[(1, 19491393), (3, 6497131), (29, 672117), (87, 224039), (157, 124149), (471, 41383), (1427, 13659), (4281, 4553)]