18890619

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2713}}^1$

素因数の和:2938

約数の個数: 16

約数和(自身を含む): 27617664

約数和(自身を除く): 8727045

約数列:

[1, 3, 11, 33, 211, 633, 2321, 2713, 6963, 8139, 29843, 89529, 572443, 1717329, 6296873, 18890619]

約数ペア:

[(1, 18890619), (3, 6296873), (11, 1717329), (33, 572443), (211, 89529), (633, 29843), (2321, 8139), (2713, 6963)]