2019912890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1\times {\mathrm{2297}}^1$

素因数の和:4222

約数の個数: 32

約数和(自身を含む): 3716803584

約数和(自身を除く): 1696890694

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1871, 2297, 3742, 4594, 9355, 11485, 18710, 22970, 87937, 107959, 175874, 215918, 439685, 539795, 879370, 1079590, 4297687, 8595374, 21488435, 42976870, 201991289, 403982578, 1009956445, 2019912890]

約数ペア:

[(1, 2019912890), (2, 1009956445), (5, 403982578), (10, 201991289), (47, 42976870), (94, 21488435), (235, 8595374), (470, 4297687), (1871, 1079590), (2297, 879370), (3742, 539795), (4594, 439685), (9355, 215918), (11485, 175874), (18710, 107959), (22970, 87937)]