18427405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 5087219

約数列:

[1, 5, 17, 85, 431, 503, 2155, 2515, 7327, 8551, 36635, 42755, 216793, 1083965, 3685481, 18427405]

約数ペア:

[(1, 18427405), (5, 3685481), (17, 1083965), (85, 216793), (431, 42755), (503, 36635), (2155, 8551), (2515, 7327)]