1899339940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{4507}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 4203259200

約数和(自身を除く): 2303919260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1109, 2218, 4436, 4507, 5545, 9014, 11090, 18028, 21071, 22180, 22535, 42142, 45070, 84284, 85633, 90140, 105355, 171266, 210710, 342532, 421420, 428165, 856330, 1712660, 4998263, 9996526, 19993052, 24991315, 49982630, 94966997, 99965260, 189933994, 379867988, 474834985, 949669970, 1899339940]

約数ペア:

[(1, 1899339940), (2, 949669970), (4, 474834985), (5, 379867988), (10, 189933994), (19, 99965260), (20, 94966997), (38, 49982630), (76, 24991315), (95, 19993052), (190, 9996526), (380, 4998263), (1109, 1712660), (2218, 856330), (4436, 428165), (4507, 421420), (5545, 342532), (9014, 210710), (11090, 171266), (18028, 105355), (21071, 90140), (22180, 85633), (22535, 84284), (42142, 45070)]