18080060540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12732437}}^1$

素因数の和:12732517

約数の個数: 24

約数和(自身を含む): 38502892512

約数和(自身を除く): 20422831972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12732437, 25464874, 50929748, 63662185, 127324370, 254648740, 904003027, 1808006054, 3616012108, 4520015135, 9040030270, 18080060540]

約数ペア:

[(1, 18080060540), (2, 9040030270), (4, 4520015135), (5, 3616012108), (10, 1808006054), (20, 904003027), (71, 254648740), (142, 127324370), (284, 63662185), (355, 50929748), (710, 25464874), (1420, 12732437)]