19752220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21013}}^1$

素因数の和:21069

約数の個数: 24

約数和(自身を含む): 42364224

約数和(自身を除く): 22612004

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21013, 42026, 84052, 105065, 210130, 420260, 987611, 1975222, 3950444, 4938055, 9876110, 19752220]

約数ペア:

[(1, 19752220), (2, 9876110), (4, 4938055), (5, 3950444), (10, 1975222), (20, 987611), (47, 420260), (94, 210130), (188, 105065), (235, 84052), (470, 42026), (940, 21013)]