18738020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133843}}^1$

素因数の和:133859

約数の個数: 24

約数和(自身を含む): 44971584

約数和(自身を除く): 26233564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133843, 267686, 535372, 669215, 936901, 1338430, 1873802, 2676860, 3747604, 4684505, 9369010, 18738020]

約数ペア:

[(1, 18738020), (2, 9369010), (4, 4684505), (5, 3747604), (7, 2676860), (10, 1873802), (14, 1338430), (20, 936901), (28, 669215), (35, 535372), (70, 267686), (140, 133843)]