19111540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136511}}^1$

素因数の和:136527

約数の個数: 24

約数和(自身を含む): 45868032

約数和(自身を除く): 26756492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136511, 273022, 546044, 682555, 955577, 1365110, 1911154, 2730220, 3822308, 4777885, 9555770, 19111540]

約数ペア:

[(1, 19111540), (2, 9555770), (4, 4777885), (5, 3822308), (7, 2730220), (10, 1911154), (14, 1365110), (20, 955577), (28, 682555), (35, 546044), (70, 273022), (140, 136511)]