16920018

素因数分解:

$2^1\times 3^2\times {\mathrm{940001}}^1$

素因数の和:940009

約数の個数: 12

約数和(自身を含む): 36660078

約数和(自身を除く): 19740060

約数列:

[1, 2, 3, 6, 9, 18, 940001, 1880002, 2820003, 5640006, 8460009, 16920018]

約数ペア:

[(1, 16920018), (2, 8460009), (3, 5640006), (6, 2820003), (9, 1880002), (18, 940001)]