19807088

素因数分解:

$2^4\times 7^1\times {\mathrm{176849}}^1$

素因数の和:176864

約数の個数: 20

約数和(自身を含む): 43858800

約数和(自身を除く): 24051712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 176849, 353698, 707396, 1237943, 1414792, 2475886, 2829584, 4951772, 9903544, 19807088]

約数ペア:

[(1, 19807088), (2, 9903544), (4, 4951772), (7, 2829584), (8, 2475886), (14, 1414792), (16, 1237943), (28, 707396), (56, 353698), (112, 176849)]