19915910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2659}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 21452410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2659, 3745, 5318, 7490, 13295, 18613, 26590, 37226, 93065, 186130, 284513, 569026, 1422565, 1991591, 2845130, 3983182, 9957955, 19915910]

約数ペア:

[(1, 19915910), (2, 9957955), (5, 3983182), (7, 2845130), (10, 1991591), (14, 1422565), (35, 569026), (70, 284513), (107, 186130), (214, 93065), (535, 37226), (749, 26590), (1070, 18613), (1498, 13295), (2659, 7490), (3745, 5318)]