18218408097

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{20399}}^1$

素因数の和:20633

約数の個数: 32

約数和(自身を含む): 25539494400

約数和(自身を除く): 7321086303

約数列:

[1, 3, 41, 53, 123, 137, 159, 411, 2173, 5617, 6519, 7261, 16851, 20399, 21783, 61197, 297701, 836359, 893103, 1081147, 2509077, 2794663, 3243441, 8383989, 44327027, 114581183, 132981081, 148117139, 343743549, 444351417, 6072802699, 18218408097]

約数ペア:

[(1, 18218408097), (3, 6072802699), (41, 444351417), (53, 343743549), (123, 148117139), (137, 132981081), (159, 114581183), (411, 44327027), (2173, 8383989), (5617, 3243441), (6519, 2794663), (7261, 2509077), (16851, 1081147), (20399, 893103), (21783, 836359), (61197, 297701)]