19998316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{727}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 39453232

約数和(自身を除く): 19454916

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 529, 598, 727, 1058, 1196, 1454, 2116, 2908, 6877, 9451, 13754, 16721, 18902, 27508, 33442, 37804, 66884, 217373, 384583, 434746, 769166, 869492, 1538332, 4999579, 9999158, 19998316]

約数ペア:

[(1, 19998316), (2, 9999158), (4, 4999579), (13, 1538332), (23, 869492), (26, 769166), (46, 434746), (52, 384583), (92, 217373), (299, 66884), (529, 37804), (598, 33442), (727, 27508), (1058, 18902), (1196, 16721), (1454, 13754), (2116, 9451), (2908, 6877)]