18305405

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 22737024

約数和(自身を除く): 4431619

約数列:

[1, 5, 53, 67, 265, 335, 1031, 3551, 5155, 17755, 54643, 69077, 273215, 345385, 3661081, 18305405]

約数ペア:

[(1, 18305405), (5, 3661081), (53, 345385), (67, 273215), (265, 69077), (335, 54643), (1031, 17755), (3551, 5155)]