18825580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 23268500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 463, 535, 926, 1070, 1852, 2033, 2140, 2315, 4066, 4630, 8132, 8797, 9260, 10165, 17594, 20330, 35188, 40660, 43985, 49541, 87970, 99082, 175940, 198164, 247705, 495410, 941279, 990820, 1882558, 3765116, 4706395, 9412790, 18825580]

約数ペア:

[(1, 18825580), (2, 9412790), (4, 4706395), (5, 3765116), (10, 1882558), (19, 990820), (20, 941279), (38, 495410), (76, 247705), (95, 198164), (107, 175940), (190, 99082), (214, 87970), (380, 49541), (428, 43985), (463, 40660), (535, 35188), (926, 20330), (1070, 17594), (1852, 10165), (2033, 9260), (2140, 8797), (2315, 8132), (4066, 4630)]