19985183

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 2409697

約数列:

[1, 17, 23, 79, 391, 647, 1343, 1817, 10999, 14881, 30889, 51113, 252977, 868921, 1175599, 19985183]

約数ペア:

[(1, 19985183), (17, 1175599), (23, 868921), (79, 252977), (391, 51113), (647, 30889), (1343, 14881), (1817, 10999)]