18724589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 21073920

約数和(自身を除く): 2349331

約数列:

[1, 13, 31, 97, 403, 479, 1261, 3007, 6227, 14849, 39091, 46463, 193037, 604019, 1440353, 18724589]

約数ペア:

[(1, 18724589), (13, 1440353), (31, 604019), (97, 193037), (403, 46463), (479, 39091), (1261, 14849), (3007, 6227)]