19340815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 27651456

約数和(自身を除く): 8310641

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 761, 1105, 1495, 1955, 3805, 5083, 9893, 12937, 17503, 25415, 49465, 64685, 87515, 168181, 227539, 297551, 840905, 1137695, 1487755, 3868163, 19340815]

約数ペア:

[(1, 19340815), (5, 3868163), (13, 1487755), (17, 1137695), (23, 840905), (65, 297551), (85, 227539), (115, 168181), (221, 87515), (299, 64685), (391, 49465), (761, 25415), (1105, 17503), (1495, 12937), (1955, 9893), (3805, 5083)]