18617067

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 13178133

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 719, 959, 1233, 2157, 2877, 3699, 5033, 6471, 8631, 15099, 19413, 25893, 45297, 98503, 135891, 295509, 689521, 886527, 2068563, 2659581, 6205689, 18617067]

約数ペア:

[(1, 18617067), (3, 6205689), (7, 2659581), (9, 2068563), (21, 886527), (27, 689521), (63, 295509), (137, 135891), (189, 98503), (411, 45297), (719, 25893), (959, 19413), (1233, 15099), (2157, 8631), (2877, 6471), (3699, 5033)]