19894882

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2386

約数の個数: 24

約数和(自身を含む): 35119980

約数和(自身を除く): 15225098

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2281, 4361, 4562, 8722, 15967, 31934, 111769, 203009, 223538, 406018, 1421063, 2842126, 9947441, 19894882]

約数ペア:

[(1, 19894882), (2, 9947441), (7, 2842126), (14, 1421063), (49, 406018), (89, 223538), (98, 203009), (178, 111769), (623, 31934), (1246, 15967), (2281, 8722), (4361, 4562)]