19688361

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14180439

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 2939, 6699, 8817, 20573, 32329, 61719, 85231, 96987, 226303, 255693, 596617, 678909, 937541, 1789851, 2812623, 6562787, 19688361]

約数ペア:

[(1, 19688361), (3, 6562787), (7, 2812623), (11, 1789851), (21, 937541), (29, 678909), (33, 596617), (77, 255693), (87, 226303), (203, 96987), (231, 85231), (319, 61719), (609, 32329), (957, 20573), (2233, 8817), (2939, 6699)]