19968018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475429}}^1$

素因数の和:475441

約数の個数: 16

約数和(自身を含む): 45641280

約数和(自身を除く): 25673262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475429, 950858, 1426287, 2852574, 3328003, 6656006, 9984009, 19968018]

約数ペア:

[(1, 19968018), (2, 9984009), (3, 6656006), (6, 3328003), (7, 2852574), (14, 1426287), (21, 950858), (42, 475429)]