17938855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 23940000

約数和(自身を除く): 6001145

約数列:

[1, 5, 11, 55, 121, 149, 199, 605, 745, 995, 1639, 2189, 8195, 10945, 18029, 24079, 29651, 90145, 120395, 148255, 326161, 1630805, 3587771, 17938855]

約数ペア:

[(1, 17938855), (5, 3587771), (11, 1630805), (55, 326161), (121, 148255), (149, 120395), (199, 90145), (605, 29651), (745, 24079), (995, 18029), (1639, 10945), (2189, 8195)]