18157037165

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1\times {\mathrm{2339}}^1$

素因数の和:4397

約数の個数: 32

約数和(自身を含む): 23516438400

約数和(自身を除く): 5359401235

約数列:

[1, 5, 19, 41, 95, 205, 779, 1993, 2339, 3895, 9965, 11695, 37867, 44441, 81713, 95899, 189335, 222205, 408565, 479495, 1552547, 1822081, 4661627, 7762735, 9110405, 23308135, 88570913, 191126707, 442854565, 955633535, 3631407433, 18157037165]

約数ペア:

[(1, 18157037165), (5, 3631407433), (19, 955633535), (41, 442854565), (95, 191126707), (205, 88570913), (779, 23308135), (1993, 9110405), (2339, 7762735), (3895, 4661627), (9965, 1822081), (11695, 1552547), (37867, 479495), (44441, 408565), (81713, 222205), (95899, 189335)]