18487413

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3373}}^1$

素因数の和:3418

約数の個数: 32

約数和(自身を含む): 32390400

約数和(自身を除く): 13902987

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3373, 5481, 10119, 23611, 30357, 70833, 91071, 97817, 212499, 293451, 637497, 684719, 880353, 2054157, 2641059, 6162471, 18487413]

約数ペア:

[(1, 18487413), (3, 6162471), (7, 2641059), (9, 2054157), (21, 880353), (27, 684719), (29, 637497), (63, 293451), (87, 212499), (189, 97817), (203, 91071), (261, 70833), (609, 30357), (783, 23611), (1827, 10119), (3373, 5481)]