19698902

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 24

約数和(自身を含む): 31680264

約数和(自身を除く): 11981362

約数列:

[1, 2, 23, 43, 46, 86, 433, 529, 866, 989, 1058, 1978, 9959, 18619, 19918, 22747, 37238, 45494, 229057, 428237, 458114, 856474, 9849451, 19698902]

約数ペア:

[(1, 19698902), (2, 9849451), (23, 856474), (43, 458114), (46, 428237), (86, 229057), (433, 45494), (529, 37238), (866, 22747), (989, 19918), (1058, 18619), (1978, 9959)]