18074719

素因数分解:

${\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 16

約数和(自身を含む): 20658400

約数和(自身を除く): 2583681

約数列:

[1, 13, 19, 169, 247, 433, 2197, 3211, 5629, 8227, 41743, 73177, 106951, 951301, 1390363, 18074719]

約数ペア:

[(1, 18074719), (13, 1390363), (19, 951301), (169, 106951), (247, 73177), (433, 41743), (2197, 8227), (3211, 5629)]