19900078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29179}}^1$

素因数の和:29223

約数の個数: 16

約数和(自身を含む): 33615360

約数和(自身を除く): 13715282

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29179, 58358, 320969, 641938, 904549, 1809098, 9950039, 19900078]

約数ペア:

[(1, 19900078), (2, 9950039), (11, 1809098), (22, 904549), (31, 641938), (62, 320969), (341, 58358), (682, 29179)]