19811543816

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{80911}}^1$

素因数の和:81285

約数の個数: 32

約数和(自身を含む): 37594951680

約数和(自身を除く): 17783407864

約数列:

[1, 2, 4, 8, 127, 241, 254, 482, 508, 964, 1016, 1928, 30607, 61214, 80911, 122428, 161822, 244856, 323644, 647288, 10275697, 19499551, 20551394, 38999102, 41102788, 77998204, 82205576, 155996408, 2476442977, 4952885954, 9905771908, 19811543816]

約数ペア:

[(1, 19811543816), (2, 9905771908), (4, 4952885954), (8, 2476442977), (127, 155996408), (241, 82205576), (254, 77998204), (482, 41102788), (508, 38999102), (964, 20551394), (1016, 19499551), (1928, 10275697), (30607, 647288), (61214, 323644), (80911, 244856), (122428, 161822)]