19565307

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12713}}^1$

素因数の和:12744

約数の個数: 20

約数和(自身を含む): 30767880

約数和(自身を除く): 11202573

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12713, 38139, 114417, 241547, 343251, 724641, 1029753, 2173923, 6521769, 19565307]

約数ペア:

[(1, 19565307), (3, 6521769), (9, 2173923), (19, 1029753), (27, 724641), (57, 343251), (81, 241547), (171, 114417), (513, 38139), (1539, 12713)]