18403735784

素因数分解:

$2^3\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{82139}}^1$

素因数の和:86153

約数の個数: 32

約数和(自身を含む): 39446913600

約数和(自身を除く): 21043177816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4001, 8002, 16004, 28007, 32008, 56014, 82139, 112028, 164278, 224056, 328556, 574973, 657112, 1149946, 2299892, 4599784, 328638139, 657276278, 1314552556, 2300466973, 2629105112, 4600933946, 9201867892, 18403735784]

約数ペア:

[(1, 18403735784), (2, 9201867892), (4, 4600933946), (7, 2629105112), (8, 2300466973), (14, 1314552556), (28, 657276278), (56, 328638139), (4001, 4599784), (8002, 2299892), (16004, 1149946), (28007, 657112), (32008, 574973), (56014, 328556), (82139, 224056), (112028, 164278)]