19159420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 27289220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1279, 1498, 2140, 2558, 2996, 3745, 5116, 6395, 7490, 8953, 12790, 14980, 17906, 25580, 35812, 44765, 89530, 136853, 179060, 273706, 547412, 684265, 957971, 1368530, 1915942, 2737060, 3831884, 4789855, 9579710, 19159420]

約数ペア:

[(1, 19159420), (2, 9579710), (4, 4789855), (5, 3831884), (7, 2737060), (10, 1915942), (14, 1368530), (20, 957971), (28, 684265), (35, 547412), (70, 273706), (107, 179060), (140, 136853), (214, 89530), (428, 44765), (535, 35812), (749, 25580), (1070, 17906), (1279, 14980), (1498, 12790), (2140, 8953), (2558, 7490), (2996, 6395), (3745, 5116)]