17921008

素因数分解:

$2^4\times 7^1\times {\mathrm{160009}}^1$

素因数の和:160024

約数の個数: 20

約数和(自身を含む): 39682480

約数和(自身を除く): 21761472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 160009, 320018, 640036, 1120063, 1280072, 2240126, 2560144, 4480252, 8960504, 17921008]

約数ペア:

[(1, 17921008), (2, 8960504), (4, 4480252), (7, 2560144), (8, 2240126), (14, 1280072), (16, 1120063), (28, 640036), (56, 320018), (112, 160009)]