19371740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10883}}^1$

素因数の和:10981

約数の個数: 24

約数和(自身を含む): 41141520

約数和(自身を除く): 21769780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10883, 21766, 43532, 54415, 108830, 217660, 968587, 1937174, 3874348, 4842935, 9685870, 19371740]

約数ペア:

[(1, 19371740), (2, 9685870), (4, 4842935), (5, 3874348), (10, 1937174), (20, 968587), (89, 217660), (178, 108830), (356, 54415), (445, 43532), (890, 21766), (1780, 10883)]