18676828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 34503840

約数和(自身を除く): 15827012

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2281, 4094, 4562, 8188, 9124, 52463, 104926, 203009, 209852, 406018, 812036, 4669207, 9338414, 18676828]

約数ペア:

[(1, 18676828), (2, 9338414), (4, 4669207), (23, 812036), (46, 406018), (89, 209852), (92, 203009), (178, 104926), (356, 52463), (2047, 9124), (2281, 8188), (4094, 4562)]