18969963886

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{6131}}^1$

素因数の和:6660

約数の個数: 32

約数和(自身を含む): 29529995040

約数和(自身を除く): 10560031154

約数列:

[1, 2, 41, 82, 97, 194, 389, 778, 3977, 6131, 7954, 12262, 15949, 31898, 37733, 75466, 251371, 502742, 594707, 1189414, 1547053, 2384959, 3094106, 4769918, 24382987, 48765974, 97783319, 195566638, 231341023, 462682046, 9484981943, 18969963886]

約数ペア:

[(1, 18969963886), (2, 9484981943), (41, 462682046), (82, 231341023), (97, 195566638), (194, 97783319), (389, 48765974), (778, 24382987), (3977, 4769918), (6131, 3094106), (7954, 2384959), (12262, 1547053), (15949, 1189414), (31898, 594707), (37733, 502742), (75466, 251371)]