18295067

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 21441024

約数和(自身を除く): 3145957

約数列:

[1, 7, 71, 131, 281, 497, 917, 1967, 9301, 19951, 36811, 65107, 139657, 257677, 2613581, 18295067]

約数ペア:

[(1, 18295067), (7, 2613581), (71, 257677), (131, 139657), (281, 65107), (497, 36811), (917, 19951), (1967, 9301)]