19771089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{827}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 28469952

約数和(自身を除く): 8698863

約数列:

[1, 3, 13, 39, 613, 827, 1839, 2481, 7969, 10751, 23907, 32253, 506951, 1520853, 6590363, 19771089]

約数ペア:

[(1, 19771089), (3, 6590363), (13, 1520853), (39, 506951), (613, 32253), (827, 23907), (1839, 10751), (2481, 7969)]