19949137201

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4574441}}^1$

素因数の和:4574544

約数の個数: 12

約数和(自身を含む): 23466887460

約数和(自身を除く): 3517750259

約数列:

[1, 7, 49, 89, 623, 4361, 4574441, 32021087, 224147609, 407125249, 2849876743, 19949137201]

約数ペア:

[(1, 19949137201), (7, 2849876743), (49, 407125249), (89, 224147609), (623, 32021087), (4361, 4574441)]