18234021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27320832

約数和(自身を除く): 9086811

約数列:

[1, 3, 13, 39, 43, 83, 129, 131, 249, 393, 559, 1079, 1677, 1703, 3237, 3569, 5109, 5633, 10707, 10873, 16899, 32619, 46397, 73229, 139191, 141349, 219687, 424047, 467539, 1402617, 6078007, 18234021]

約数ペア:

[(1, 18234021), (3, 6078007), (13, 1402617), (39, 467539), (43, 424047), (83, 219687), (129, 141349), (131, 139191), (249, 73229), (393, 46397), (559, 32619), (1079, 16899), (1677, 10873), (1703, 10707), (3237, 5633), (3569, 5109)]