19847356

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 35426160

約数和(自身を除く): 15578804

約数列:

[1, 2, 4, 89, 178, 197, 283, 356, 394, 566, 788, 1132, 17533, 25187, 35066, 50374, 55751, 70132, 100748, 111502, 223004, 4961839, 9923678, 19847356]

約数ペア:

[(1, 19847356), (2, 9923678), (4, 4961839), (89, 223004), (178, 111502), (197, 100748), (283, 70132), (356, 55751), (394, 50374), (566, 35066), (788, 25187), (1132, 17533)]