18916105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 24570000

約数和(自身を除く): 5653895

約数列:

[1, 5, 13, 65, 233, 1165, 1249, 3029, 6245, 15145, 16237, 81185, 291017, 1455085, 3783221, 18916105]

約数ペア:

[(1, 18916105), (5, 3783221), (13, 1455085), (65, 291017), (233, 81185), (1165, 16237), (1249, 15145), (3029, 6245)]