18744183

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 29776320

約数和(自身を除く): 11032137

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 421, 459, 873, 1263, 1649, 2619, 3789, 4947, 7157, 11367, 14841, 21471, 40837, 44523, 64413, 122511, 193239, 367533, 694229, 1102599, 2082687, 6248061, 18744183]

約数ペア:

[(1, 18744183), (3, 6248061), (9, 2082687), (17, 1102599), (27, 694229), (51, 367533), (97, 193239), (153, 122511), (291, 64413), (421, 44523), (459, 40837), (873, 21471), (1263, 14841), (1649, 11367), (2619, 7157), (3789, 4947)]