19801539070

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4133933}}^1$

素因数の和:4134419

約数の個数: 16

約数和(自身を含む): 35717189760

約数和(自身を除く): 15915650690

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 4133933, 8267866, 20669665, 41339330, 1980153907, 3960307814, 9900769535, 19801539070]

約数ペア:

[(1, 19801539070), (2, 9900769535), (5, 3960307814), (10, 1980153907), (479, 41339330), (958, 20669665), (2395, 8267866), (4790, 4133933)]