18393385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2239}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 4830935

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2239, 8215, 11195, 69409, 118667, 347045, 593335, 3678677, 18393385]

約数ペア:

[(1, 18393385), (5, 3678677), (31, 593335), (53, 347045), (155, 118667), (265, 69409), (1643, 11195), (2239, 8215)]