19878164

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{499}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 16577836

約数列:

[1, 2, 4, 23, 46, 92, 433, 499, 866, 998, 1732, 1996, 9959, 11477, 19918, 22954, 39836, 45908, 216067, 432134, 864268, 4969541, 9939082, 19878164]

約数ペア:

[(1, 19878164), (2, 9939082), (4, 4969541), (23, 864268), (46, 432134), (92, 216067), (433, 45908), (499, 39836), (866, 22954), (998, 19918), (1732, 11477), (1996, 9959)]