201600018

素因数分解:

$2^1\times 3^2\times {\mathrm{11200001}}^1$

素因数の和:11200009

約数の個数: 12

約数和(自身を含む): 436800078

約数和(自身を除く): 235200060

約数列:

[1, 2, 3, 6, 9, 18, 11200001, 22400002, 33600003, 67200006, 100800009, 201600018]

約数ペア:

[(1, 201600018), (2, 100800009), (3, 67200006), (6, 33600003), (9, 22400002), (18, 11200001)]