13019391

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18787}}^1$

素因数の和:18811

約数の個数: 24

約数和(自身を含む): 23447424

約数和(自身を除く): 10428033

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 18787, 56361, 131509, 169083, 206657, 394527, 619971, 1183581, 1446599, 1859913, 4339797, 13019391]

約数ペア:

[(1, 13019391), (3, 4339797), (7, 1859913), (9, 1446599), (11, 1183581), (21, 619971), (33, 394527), (63, 206657), (77, 169083), (99, 131509), (231, 56361), (693, 18787)]