19388919

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 29349376

約数和(自身を除く): 9960457

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1723, 3751, 5169, 11253, 18953, 53413, 56859, 160239, 208483, 587543, 625449, 1762629, 6462973, 19388919]

約数ペア:

[(1, 19388919), (3, 6462973), (11, 1762629), (31, 625449), (33, 587543), (93, 208483), (121, 160239), (341, 56859), (363, 53413), (1023, 18953), (1723, 11253), (3751, 5169)]