19193517

素因数分解:

$3^4\times 7^1\times {\mathrm{33851}}^1$

素因数の和:33870

約数の個数: 20

約数和(自身を含む): 32768736

約数和(自身を除く): 13575219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33851, 101553, 236957, 304659, 710871, 913977, 2132613, 2741931, 6397839, 19193517]

約数ペア:

[(1, 19193517), (3, 6397839), (7, 2741931), (9, 2132613), (21, 913977), (27, 710871), (63, 304659), (81, 236957), (189, 101553), (567, 33851)]