18121010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78787}}^1$

素因数の和:78817

約数の個数: 16

約数和(自身を含む): 34036416

約数和(自身を除く): 15915406

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78787, 157574, 393935, 787870, 1812101, 3624202, 9060505, 18121010]

約数ペア:

[(1, 18121010), (2, 9060505), (5, 3624202), (10, 1812101), (23, 787870), (46, 393935), (115, 157574), (230, 78787)]