19325709

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18353}}^1$

素因数の和:18378

約数の個数: 20

約数和(自身を含む): 31091676

約数和(自身を除く): 11765967

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18353, 55059, 165177, 238589, 495531, 715767, 1486593, 2147301, 6441903, 19325709]

約数ペア:

[(1, 19325709), (3, 6441903), (9, 2147301), (13, 1486593), (27, 715767), (39, 495531), (81, 238589), (117, 165177), (351, 55059), (1053, 18353)]